CN103439499B - A kind of complete set of equipments and detection method of field quick detection foodstuff grain safety - Google Patents
A kind of complete set of equipments and detection method of field quick detection foodstuff grain safety Download PDFInfo
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- CN103439499B CN103439499B CN201310392882.6A CN201310392882A CN103439499B CN 103439499 B CN103439499 B CN 103439499B CN 201310392882 A CN201310392882 A CN 201310392882A CN 103439499 B CN103439499 B CN 103439499B
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Abstract
The invention discloses a kind of complete set of equipments of field quick detection foodstuff grain safety, comprise the checkout equipment of detection case and portion placed within, the case lid that described detection case comprises double-layer box body and is flexibly connected with it, described checkout equipment comprises sample pre-treatments equipment, collaurum rapid detection card, experiment reagent, reads and data processing equipment and experiment consumptive material; Described collaurum rapid detection card comprises AFB1Test card, ochratoxin A test card, zearalenone test card, vomitoxin test card. Armamentarium required in grain trough safety detection, reagent and consumptive material are carried out integrated innovation by the present invention, integrate, reach the effect of mobile laboratory, be applicable to the on-site quick screening of foodstuff grain safety, thereby reach, hazardous material mass-energy is found and monitoring management in time, and easy to carry, there is antidetonation shatter-resistant function.
Description
Technical field
The present invention relates to a kind of checkout equipment that detects foodstuff grain safety, particularly relating to one can field quick detection grainThe complete set of equipments of cereal safety, its collection sample pre-treatments equipment, detection reagent, test card, consumptive material, data read and data placeReason equipment is integrated, and is applicable to the on-site quick screening of foodstuff grain safety.
Background technology
Mycotoxin contamination has become one of important food-safety problem at present. Mycotoxin extensively pollutes crops and product thereofProduct, according to FAO (Food and Agriculture Organization of the United Nation) estimation, the whole world approximately has 25% agricultural product to be subject to the pollution of mycotoxin, 2% grain paddy every yearThing, because of seriously polluted nutrition and the economic worth of losing, causes the economic loss of tens billion of dollars. Conventional mycotoxin analysis sideMethod pretreatment process complexity, instrumentation degree are high, complex operation, efficiency are low. At present, developed country is in mycotoxin analysis sideFace tends to highly sensitiveization, high pass quantification, tachymeter and portability day by day. Obviously, chemical analysis and instrument analytical method cannot be expiredFoot speed is surveyed and portable requirement, therefore, in the urgent need to the complete checkout equipment of portability, can substitute to a certain extent laboratoryDetect, reach the effect of primary dcreening operation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, field quick detection grain that cost is low, easy and simple to handleThe complete set of equipments of cereal safety.
A complete set of equipments for field quick detection foodstuff grain safety, comprises the checkout equipment of detection case and portion placed within,The case lid that described detection case comprises casing and is flexibly connected with it, described casing is double-deck, lower floor is drawer-type structure, described inspectionMeasurement equipment comprises sample pre-treatments equipment, collaurum rapid detection card, experiment reagent, reads and data processing equipment and experiment consumptionMaterial;
Described collaurum rapid detection card comprises AFB1Test card, ochratoxin A test card, zearalenoneTest card, vomitoxin test card.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, the Dual-layer structure of wherein said casing andCase lid inside forms respectively glove cavity, is wherein filled with the supporting mould of novel environment friendly plastics expanded material material, in described supportingThe surface of mould is provided with the consistent locating slot of same checkout equipment shape, inlays respectively and holds described checkout equipment.
Described supporting mould, according to the placing articles shape machine-shaping of inner institute, can play a protective role to equipment in casing. This is novelEnvironmentally-friendly plastic expanded material, compared with traditional material, has good buffering, antidetonation, heat insulation, moistureproof, resist chemical etc. excellentPoint, and nontoxic, do not absorb water.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, wherein said sample pre-treatments equipment comprises sampleProduct pulverizer, sample treatment are cut, sample treatment cutter, marking pen, sample spoon, lab-gown, operation instructions, metal bath, completeSelf-controllable level instruction nitrogen blow device, micro balance, pipettor, single track timer;
Described experiment reagent comprises sample extracting solution and sample diluting liquid;
Described reading with data processing equipment comprises eight passage collaurum detector and work computer;
Described experiment consumptive material comprises emgloves, centrifuge tube, accurate pH test paper, rifle head, dropper.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, wherein,
On the supporting mould of described case lid internal cavities, be disposed with work computer location by order from left to right, from top to bottomGroove, pipettor locating slot, sample treatment cutter locating slot, sample spoon locating slot, marking pen locating slot, sample treatment cut locating slot,Micro balance locating slot and timer locating slot;
On the upper strata of described box house cavity supporting mould, be disposed with four colloids by order from left to right, from top to bottomGold rapid detection card locating slot, vortex centrifugal machine locating slot, metal bath locating slot, Sample Grinder locating slot, rifle head box locationGroove and air pressure pump locating slot; In lower floor's drawer, on supporting mould, be disposed with sample by order from left to right, from top to bottomProduct extract locating slot, full Self-controllable level instruction nitrogen blow device locating slot, sample diluting liquid locating slot, power line and other worksTool locating slot, consumptive material locating slot, eight passage collaurum detector locating slots;
Wherein, described multiple locating slots hold corresponding checkout equipment, and described lab-gown, operation instructions are with work computer togetherBe placed in described work computer locating slot. Adopt specific order and mode, the various required instrument consumptive materials put of the present inventionVery clear, conveniently fetch and operate, can effectively improve detection efficiency.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, a side of wherein said casing also comprises wheelBody, opposite side is corresponding thereto provided with telescopic lever, and described wheel body is that 4 polyurethane increase the weight of roller, can bear larger weight,Volume is small and exquisite, and conveniently moving can move to rapidly destination and carry out Site Detection.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, wherein said detection case is by polypropylene compositeMaterial is made, and the eucaryotic cell structure of described polypropylene composite material is for opening nucleus, and between each cell, interlock mutually, opens nucleusStructural design, lightweight, intensity is high, firm solid, and another advantage is effectively to absorb external force, therefore good damping effect;On the casing of described detection case or case lid, be also provided with multiple dual control snap closes, be easy to open closed casing.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, wherein said dual control snap close is 7, evenlyBe arranged on the edge of described case lid; Described dual control snap close is 7, is evenly arranged on the edge of described case lid; Described dual control snap closeComprise hinged cramp and fixture block, the edge of described casing is provided with the projection adapting with described cramp, described in described projection isThe one circle projection at casing top or respectively 7 projections corresponding with described 7 dual control snap closes; Described cramp and described projectionFastening is closed described detection case, closes backward described casing direction and promotes described fixture block, makes to fasten more to close, and is having soil, is havingIn husky situation, can open, shut, traditional design is difficult to shut as snap close enters dust; A side of described dual control snap close and withOn its corresponding casing, be also respectively arranged with the through hole passing for lockset, lockset passes described through hole by described casing and box cover lockTightly; Between the movable drawer structure of casing lower floor and casing, be provided with snap close, push after drawer, lower floor's drawer is stated in fastening lock residenceFormula structure.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, wherein at edge and lower floor's case of described case lidBody drawer edge is also provided with sealing ring, and obturation effect is good; Described detection case also comprises gas balance valve, regulates inside and outside differential pressure,Under plateau, high altitude environment, air can be entered, and hydrone can not be entered, protection against the tide.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention is mould in fast detecting foodstuff grain at the sceneApplication in the toxin remains.
A method that adopts the complete set of equipments of described field quick detection foodstuff grain safety to detect, comprises following stepRapid:
(1) first complete reading operation instructions before testing, and test card and sample to be checked are returned to room temperature;
(2) from original packing bag, take out collaurum rapid detection card;
(3) proterties per sample, with the sampling of sample extraction instrument, marking pen mark; After pulverizing with pulverizer, at miniature dayOn flat, take sample, add in centrifuge tube, and extract with sample extracting solution; Described extracting tool comprises Sample Grinder,Sample treatment is cut, sample treatment cutter, sample spoon and micro balance;
(4) sample extracting solution is used vortex centrifugal machine carry out after vortex centrifugal, supernatant is placed in full Self-controllable level instruction nitrogen and blowsIn sweeping device, carry out at a certain temperature sample concentration;
(5) add certain volume sample diluting liquid, vortex centrifugal machine vortex vibration, and constantly draw flushing with dropper, untilDissolve tube wall completely residual; To be checked.
(6) collaurum rapid detection card is kept flat, draws sample solution to be checked after treatment with pipettor or dropper, vertically byBe added dropwise to 6-8 and drip in well, after application of sample, start to use timer timing;
In (7) 5 minutes, test card is put into eight passage collaurum detector reading out datas, carried out data processing with notebook computer.Beneficial effect of the present invention:
1, complete set of equipments accessory configuration of the present invention is complete, by sample pre-treatments equipment, detect reagent, test card, read andData processing equipment integrates, and is applicable to the on-site quick screening of foodstuff grain safety, improves detection efficiency, thereby reachesHazardous material mass-energy is found and monitoring management in time.
2, sample pre-treatments equipment of the present invention is to develop for Site Detection specially, has portable, easy to use etc.Advantage;
3, the present invention uses vortex centrifugal machine to carry out the vortex of sample and centrifugal, and dual-use, saves case intracorporeal space and cost.
4, the present invention uses full Self-controllable level instruction nitrogen blow device to carry out sample concentration, by liquid-level tracking technology, has improved nitrogenBlow efficiency, saved nitrogen use level, saved nitrogen and blown out this.
5, the mycotoxin in fast detecting foodstuff grain is residual, detection time 5-10 minute, detectability meets country and European UnionLimit standard.
6, for experiment not requirement of place, can carry out the work in any place, the analysis of related object is carried out at the scene of being adapted toTest, the rapid screening that can be used for quality supervised department spot sampling check, enterprise inspection by oneself, border port detects, and developed country implementsCompartmentalization management and control pattern.
7, simple to operate, common experimenter's by specification can operate.
8, the design of detection case wheel body and telescopic lever makes it easy to carry, and described wheel body is that 4 polyurethane increase the weight of roller, can holdBe subject to larger weight, volume is small and exquisite, and conveniently moving can move to rapidly destination and carry out Site Detection. Described detection case is by gatheringPropylene composite materials is made, and the eucaryotic cell structure of described polypropylene composite material is for opening nucleus, interlock mutually between each cell,Open nucleus structural design, lightweight, intensity is high, firm solid, and another advantage is effectively to absorb external force, therefore antidetonationShatter-resistant is effective; On the casing of described detection case or case lid, be also provided with multiple dual control snap closes, be easy to open closed casing, havingSoil, have in husky situation and can open, shut, traditional design is difficult to shut as snap close enters dust. At the edge of described case lid alsoBe provided with sealing ring, obturation effect is good; Described detection case also comprises gas balance valve, regulates inside and outside differential pressure, on plateau, high-altitudeUnder environment, air can be entered, and hydrone can not be entered, protection against the tide.
9, described supporting mould, according to the placing articles shape machine-shaping of inner institute, can play a protective role to equipment in casing, and this is newType environmentally-friendly plastic expanded material, compared with traditional material, has good buffering, antidetonation, heat insulation, moistureproof, resist chemical etc.Advantage, and nontoxic, do not absorb water.
10, casing of the present invention is bilevel drawer-type structure, in described casing, all detecting instruments is adopted specificPut order put, various required instrument consumptive materials are very clear, conveniently fetch and operate, and can effectively improve detection efficiency.
11, detection method of the present invention is integrated the pretreatment of sample, concentrated, detection, reading process and sequencing,Effectively improve detection efficiency, conveniently carry out Site Detection; Use vortex centrifugal machine to carry out the vortex of sample and centrifugal, dual-use,Save case intracorporeal space and cost; Use full Self-controllable level instruction nitrogen blow device to carry out sample concentration, by liquid-level tracking technology,Improve nitrogen and blown efficiency, saved nitrogen use level, saved nitrogen and blown out this.
Below in conjunction with accompanying drawing, the complete set of equipments of field quick detection foodstuff grain safety of the present invention is described further.
Brief description of the drawings
Fig. 1 is the described detection case structural representation in open mode under one embodiment of the present invention;
Fig. 2 is dual control buckle structure schematic diagram of the present invention;
Fig. 3 is cramp and the structural representation of fixture block under opening of dual control snap close of the present invention.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, a kind of complete set of equipments of field quick detection foodstuff grain safety, comprises detection case and portion placed withinCheckout equipment, the case lid 1 that described detection case comprises casing 2 and is flexibly connected with it, preferably, described casing 2 and caseLid 1 is that a side is connected and is flexibly connected, and can freely open and fasten; Described casing 2 and case lid 1 can reach button in many waysThe object of closing, as except the edge connecting side, slide fastener being set, or arranges the retaining mechanism locking that cooperatively interacts. Described casing 2For two-layer up and down, lower floor is moveable drawer 3, on described drawer 3, is provided with hand grip portion, can freely take out and push away, casing 2 timesBetween the movable drawer structure 3 of layer and casing 2, be provided with retaining mechanism, push after described lower floor drawer 3, fastening lock residence is stated and is taken outDrawer 3. Described retaining mechanism is any structure that can reach locking object, as being dual control snap close of the present invention.
Described checkout equipment comprises sample pre-treatments equipment, collaurum rapid detection card, experiment reagent, reads with data processing and establishStandby and experiment consumptive material, the internal cavities that described casing 2 and case lid 1 form is respectively filled with novel environment friendly plastics expanded material materialSupporting mould, be provided with the consistent locating slot of same checkout equipment shape on the surface of described supporting mould, described in inlaying respectively and holdingCheckout equipment. Described sample pre-treatments equipment comprises that Sample Grinder, sample treatment are cut, sample treatment cutter, sample spoon, experimentClothes, operation instructions, metal bath, micro balance, pipettor, single track timer; Described collaurum rapid detection card comprises HuangAspertoxin B1, ochratoxin A, zearalenone, vomitoxin; Described experiment reagent comprise sample extracting solution andSample diluting liquid; Described reading with data processing equipment comprises eight passage collaurum detector and work computer; Described experiment consumptive materialComprise emgloves, centrifuge tube, accurate pH test paper, rifle head, dropper.
Preferably, on the supporting mould of described case lid 1 internal cavities, be disposed with by order from left to right, from top to bottomWork computer locating slot 4, pipettor locating slot 5, sample treatment cutter locating slot 6, sample spoon locating slot 7, marking pen locating slot8, sample treatment is cut locating slot 9, micro balance locating slot 10 and timer locating slot 11; At described casing 2 internal cavitiesOn upper strata supporting mould, be disposed with four collaurum rapid detection card locating slots 12, whirlpool by order from left to right, from top to bottomWhiz scheming locating slot 13, metal bath locating slot 14, Sample Grinder locating slot 15, rifle head box locating slot 16, air compressingPump 17. Wherein said multiple locating slot holds corresponding checkout equipment, and described lab-gown, operation instructions are with work computer togetherBe placed in described work computer locating slot 4. In lower floor's drawer, on supporting mould, establish successively by order from left to right, from top to bottomBe equipped with sample extracting solution locating slot 18, full Self-controllable level instruction nitrogen blow device locating slot 19, sample diluting liquid locating slot 20,Power line and other tool positioned grooves 21, consumptive material locating slot 22, eight passage collaurum detector locating slots 23.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention, a side of wherein said casing 2 also comprises wheelBody (not shown), opposite side is corresponding thereto provided with telescopic lever (not shown). Volume is small and exquisite, conveniently moving,Can move to rapidly destination and carry out Site Detection. Described wheel body is that 4 polyurethane increase the weight of roller, can bear larger weight,Volume is small and exquisite, and conveniently moving can move to rapidly destination and carry out Site Detection. Described detection case is by polypropylene composite materialMaterial is made, and the eucaryotic cell structure of described polypropylene composite material is for opening nucleus, and interlock mutually between each cell, opens nucleus knotStructure design, lightweight, intensity is high, firm solid, and another advantage is effectively to absorb external force, therefore good damping effect; AsShown in Fig. 2 and Fig. 3, on the casing 2 of described detection case or case lid 1, be also provided with multiple dual control snap closes 25, preferably, 7Individual dual control snap close 25 is evenly arranged on the edge of described case lid 1; Described dual control snap close 25 comprises hinged cramp 26 and fixture block27, the edge of described casing 2 is provided with the projection 29 adapting with described cramp 26, and described projection 29 is on described casing topOne circle at portion edge; Described cramp 26 and described projection 29 fasten closes described detection case, closes backward described casing 2 directionsPromote described fixture block 27, make to fasten and more close, described cramp 26 and fixture block 27 as shown in Figure 3, are being detained under openingClose under state as shown in Figure 2, there being soil, have husky in the situation that and can open, shut, traditional design is difficult to as snap close enters dustShut; On a side of described dual control snap close 25 and casing 2 corresponding thereto, be also respectively arranged with the through hole passing for lockset28, lockset is locked described casing 2 and case lid 1 through described through hole 28.
Edge at described case lid 1 is also provided with sealing ring, and obturation effect is good; Described detection case also comprises gas balance valve 24,Regulate inside and outside differential pressure, under plateau, high altitude environment, air can be entered, and hydrone can not be entered, protection against the tide.
The complete set of equipments of field quick detection foodstuff grain safety of the present invention is mould in fast detecting foodstuff grain at the sceneThe application of the toxin remains.
Embodiment 2
A method that adopts the complete set of equipments of field quick detection foodstuff grain safety of the present invention to detect, comprise asLower step:
(1) first complete reading operation instructions before testing, and test card and sample to be checked are returned to room temperature;
(2) from original packing bag, take out collaurum rapid detection card;
(3) proterties per sample, with the sampling of sample extraction instrument, marking pen mark; After pulverizing with pulverizer, at miniature dayOn flat, take sample, add in centrifuge tube, add sample extracting solution to extract, described extracting tool comprises Sample Grinder,Sample treatment is cut, sample treatment cutter, sample spoon and micro balance;
(4) to use vortex centrifugal machine to carry out after vortex centrifugal for sample extracting solution, and supernatant is placed in full Self-controllable level instruction nitrogen and purgesIn device, carry out at a certain temperature sample concentration;
(5) add certain volume sample diluting liquid, vortex centrifugal machine vortex vibration, and constantly draw flushing with dropper, untilDissolve tube wall completely residual; To be checked.
(6) collaurum rapid detection card is kept flat, draws sample solution to be checked after treatment with pipettor or dropper, vertically byBe added dropwise to 6-8 and drip in well, after application of sample, start to use timer timing;
In (7) 5 minutes, test card is put into eight passage collaurum detector reading out datas, carried out data processing with notebook computer.
Embodiment 3
A kind of complete set of equipments that adopts field quick detection foodstuff grain safety of the present invention detects Aspergillus ochraceus in foodstuff grainThe method of toxin A, comprises the steps:
(1) first complete reading operation instructions before testing, and test card and sample to be checked are returned to room temperature;
(2) from original packing bag, take out ochratoxin A test card;
(3) sample that accurately takes the representational even pulverizing of 2.5g, in centrifuge tube, then is got 5mL sample extracting solution, plugTight vibration 5 minutes, leaves standstill or 4000rpm obtains supernatant for centrifugal 5 minutes;
(4) draw 1ml supernatant in 15mL centrifuge tube, and indicate about 50 DEG C steamings of nitrogen blow device with full Self-controllable levelDry;
(5) add 500 μ L sample diluting liquids in centrifuge tube, vortex vibration, and constantly draw flushing with dropper, until completeCL tube wall is residual; To be checked.
(6) described ochratoxin A is kept flat, draws sample solution to be checked after treatment with pipettor or dropper, vertically byBe added dropwise to 6-8 and drip in well, after application of sample, start timing;
In (7) 5 minutes, test card is put into eight passage collaurum detector reading out datas, carried out data processing with notebook computer.
Above-described embodiment is described the preferred embodiment of the present invention, not scope of the present invention is carried outLimit, design under the prerequisite of spirit not departing from the present invention, those of ordinary skill in the art make technical scheme of the present inventionVarious distortion and improvement, all should fall in the definite protection domain of the claims in the present invention book.
Claims (6)
1. a complete set of equipments for field quick detection foodstuff grain safety, is characterized in that: comprise detection case and be positioned over itInner checkout equipment, the case lid that described detection case comprises casing and is flexibly connected with it, described casing is double-deck, lower floor is for taking outDrawer formula structure, described checkout equipment comprises sample pre-treatments equipment, collaurum rapid detection card, experiment reagent, reads and dataTreatment facility and experiment consumptive material;
Described collaurum rapid detection card comprises AFB1Test card, ochratoxin A test card, zearalenoneTest card and vomitoxin test card;
Described sample pre-treatments equipment comprises that Sample Grinder, sample treatment are cut, sample treatment cutter, marking pen, sample spoon, realityTest clothes, operation instructions, metal bath, full Self-controllable level instruction nitrogen blow device, micro balance, pipettor and single track timer;
Described experiment reagent comprises sample extracting solution and sample diluting liquid;
Described reading with data processing equipment comprises eight passage collaurum detector and work computer;
Described experiment consumptive material comprises emgloves, centrifuge tube, accurate pH test paper, rifle head and dropper;
Edge and lower layer box body drawer edge at described case lid are also provided with sealing ring; On the casing of described detection case or case lid, go backBe provided with gas balance valve;
Described detection case is made up of polypropylene composite material, and the eucaryotic cell structure of described polypropylene composite material is for opening nucleus,Interlock mutually between each cell; On the casing of described detection case or case lid, be also provided with multiple dual control snap closes.
2. the complete set of equipments of field quick detection foodstuff grain safety according to claim 1, is characterized in that: described inDual-layer structure and the case lid inside of casing form respectively glove cavity, are wherein filled with novel environment friendly plastics expanded material materialSupporting mould, be provided with the consistent locating slot of same checkout equipment shape on the surface of described supporting mould, described in inlaying respectively and holdingCheckout equipment.
3. the complete set of equipments of field quick detection foodstuff grain safety according to claim 2, is characterized in that: in instituteState on the supporting mould of case lid internal cavities and be disposed with work computer locating slot, move liquid by order from left to right, from top to bottomDevice locating slot, sample treatment cutter locating slot, sample spoon locating slot, marking pen locating slot, sample treatment are cut locating slot, miniature skyFlat locating slot and timer locating slot;
On the upper strata of described box house cavity supporting mould, be disposed with four colloids by order from left to right, from top to bottomGold rapid detection card locating slot, vortex centrifugal machine locating slot, metal bath locating slot, Sample Grinder locating slot, rifle head box locationGroove and air pressure pump locating slot; In lower floor's drawer, on supporting mould, be disposed with sample by order from left to right, from top to bottomProduct extract locating slot, full Self-controllable level instruction nitrogen blow device locating slot, sample diluting liquid locating slot, power line and other worksTool locating slot, consumptive material locating slot, eight passage collaurum detector locating slots;
Wherein, multiple described locating slots hold corresponding checkout equipment, and described lab-gown, operation instructions are with work computer togetherBe placed in described work computer locating slot.
4. the complete set of equipments of field quick detection foodstuff grain safety according to claim 3, is characterized in that: described inDual control snap close is 7, is evenly arranged on the edge of described case lid; Described dual control snap close comprises hinged cramp and fixture block, described inThe edge of casing is provided with the projection adapting with described cramp, and described projection is circle projection or a difference at described casing top7 projections corresponding with described 7 dual control snap closes; Described cramp and described projection fasten and close described detection case, after closingPromote described fixture block to described casing direction, make to fasten and more close; At a side of described dual control snap close and case corresponding theretoOn body, be also respectively arranged with the through hole passing for lockset; Between box drawer type structure and casing, be provided with retaining mechanism, push and take outAfter drawer, drawer-type structure is stated in fastening lock residence.
5. the complete set of equipments fast detecting grain at the scene of the field quick detection foodstuff grain safety described in claim 1-4 any oneThe residual application of mycotoxin in food cereal.
6. one kind adopts the complete set of equipments of the field quick detection foodstuff grain safety described in any one in claim 1-4 to examineThe method of surveying, is characterized in that: comprise the steps:
(1) first complete reading operation instructions before testing, and test card and sample to be checked are returned to room temperature;
(2) from original packing bag, take out collaurum rapid detection card;
(3) proterties per sample, uses sample extraction instrument, sampling, marking pen mark; After pulverizing, on micro balance, takeSample, adds in centrifuge tube, and extracts with sample extracting solution; Vortex centrifugal machine vibrates and is centrifugal, full Self-controllable levelInstruction nitrogen blow device or 50 DEG C of evaporates to dryness of air pressure pump, add a certain amount of sample diluting liquid;
Described extracting tool comprises Sample Grinder, and sample treatment is cut, sample treatment cutter, sample spoon and micro balance;
(4) collaurum rapid detection card is kept flat, draws sample solution to be checked after treatment with pipettor or dropper, vertically byBe added dropwise to 6-8 and drip in well, after application of sample, start to use timer timing;
In (5) 5 minutes, test card is put into eight passage collaurum detector reading out datas, carried out data processing with notebook computer.
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| CN201310392882.6A CN103439499B (en) | 2013-09-02 | 2013-09-02 | A kind of complete set of equipments and detection method of field quick detection foodstuff grain safety |
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| CN201310392882.6A CN103439499B (en) | 2013-09-02 | 2013-09-02 | A kind of complete set of equipments and detection method of field quick detection foodstuff grain safety |
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| CN202927137U (en) * | 2012-08-31 | 2013-05-08 | 冠翔（香港）工业有限公司 | Valve with at least two action positions |
| CN202837285U (en) * | 2012-11-02 | 2013-03-27 | 朱辉 | Portable food safety inspection box |
| CN203101364U (en) * | 2013-02-05 | 2013-07-31 | 广州瑞森生物科技有限公司 | Portable drug residue detecting box |
| CN203502415U (en) * | 2013-09-02 | 2014-03-26 | 中国检验检疫科学研究院 | Complete equipment for quickly detecting safety of cereal grains on site |
-
2013
- 2013-09-02 CN CN201310392882.6A patent/CN103439499B/en not_active Expired - Fee Related
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| CN103439499A (en) | 2013-12-11 |
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