CN110068664B - BOD (BOD)5Reagent bottle for measuring water sample - Google Patents
BOD (BOD)5Reagent bottle for measuring water sample Download PDFInfo
- Publication number
- CN110068664B CN110068664B CN201910453553.5A CN201910453553A CN110068664B CN 110068664 B CN110068664 B CN 110068664B CN 201910453553 A CN201910453553 A CN 201910453553A CN 110068664 B CN110068664 B CN 110068664B
- Authority
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- China
- Prior art keywords
- bottle
- overflow
- check valve
- injection
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 107
- 239000007924 injection Substances 0.000 claims abstract description 107
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000003814 drug Substances 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NLLBACCRJXJHPL-UHFFFAOYSA-M [N-]=[N+]=[N-].[Na+].[I-].[K+] Chemical compound [N-]=[N+]=[N-].[Na+].[I-].[K+] NLLBACCRJXJHPL-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biomedical Technology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Emergency Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a BOD 5 measures water sample reagent bottle, includes the bottle, plugs into the bottle's bottleneck, its characterized in that: the bottle plug also comprises a bottle plug cover arranged on the bottle plug; an overflow liquid collecting U-shaped groove which is integrally manufactured with the bottle body is arranged on the outer side of the bottle mouth; the bottle stopper is internally provided with an overflow check valve and an injection check valve, the overflow check valve is connected with an overflow port of the bottle stopper, is also connected with the space in the bottle body through an overflow pipe, is connected with an injection port of the bottle stopper, and is also connected with the space in the bottle body through an injection pipe; the bottle stopper cover comprises a permanent magnet, the permanent magnet is arranged at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve. The invention has the advantages that the water sample to be measured can be sealed once, medicines can be added for many times through the injection port under the condition that the bottle stopper is not opened, and the electromagnetic stirring rod is used for stirring, so that the sample is always isolated from the atmosphere in the whole measurement process, the accuracy of the measurement result is ensured, and the working strength of an operator is reduced.
Description
Technical Field
The invention relates to the technical field of liquid containing reagent bottles, in particular to a water sample reagent bottle for measuring BOD 5, namely a water sample reagent bottle used in BOD 5 measurement.
Background
According to the BOD 5 measuring method specified by the standard HJ505-2009, in the whole measuring process, a manganese sulfate solution, an alkaline potassium iodide sodium azide solution and a sulfuric acid solution are needed to be added successively, and as a water sample reagent bottle is a water sample obtained by adopting an overflow method, when each chemical reagent is added again, a bottle stopper is needed to be opened to add the reagent and the water sample is sealed again by the bottle stopper, at the moment, excessive liquid overflows, a detector needs to pour overflowed waste liquid after sealing and mechanically shake the water sample reagent bottle, and in the whole operating process, a sample medicine mixed liquid containing acid and alkali is scattered on a table surface or splashed on the skin and clothes of an operator, so that pollution or injury can be caused; meanwhile, in the process of adding medicines into the water sample reagent bottle, the bottle stopper of the water sample reagent bottle needs to be opened for multiple times, so that the collected water sample is exposed to the air for multiple times, and the measurement result is affected.
Disclosure of Invention
The invention provides the BOD 5 water sample measuring reagent bottle which is simple in structure and convenient to use in order to make up the defects of the prior art.
The invention is realized by the following technical scheme:
The utility model provides a BOD 5 measures water sample reagent bottle, includes the bottle, plugs into the bottle's bottleneck, its characterized in that: the bottle plug also comprises a bottle plug cover arranged on the bottle plug;
an overflow liquid collecting U-shaped groove which is integrally manufactured with the bottle body is arranged on the outer side of the bottle mouth;
The bottle stopper is internally provided with an overflow check valve and an injection check valve, the overflow check valve is connected with an overflow port of the bottle stopper, is also connected with the space in the bottle body through an overflow pipe, is connected with an injection port of the bottle stopper, and is also connected with the space in the bottle body through an injection pipe;
the bottle stopper cover comprises a permanent magnet, the permanent magnet is arranged at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve.
The overflow check valve comprises an overflow check valve core, an overflow check valve spring and an overflow check valve plug which are contacted in sequence; the overflow check valve plug is fixed with the bottle plug, an overflow port communicated with the overflow valve cavity is arranged on the side face of the bottle plug, the lower portion of the bottle plug is connected with the overflow pipe, the overflow check valve core is used for plugging the overflow port at the upper end of the overflow pipe, the position of the overflow port is higher than that of the overflow check valve sealing port, and the lower end of the overflow pipe is located in the bottle body.
The injection check valve comprises an injection check valve core, an injection check valve spring and an injection tube which are sequentially contacted, wherein the upper end of the injection tube is fixed in an injection check valve cavity of the bottle stopper, the lower end of the injection tube is positioned in the bottle body, the upper end of the injection check valve core is slidably positioned in the injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, a gap is reserved between the middle upper part of the injection check valve core and the injection port, and the gap is used for injecting liquid.
The bottle plug cover is detachably arranged on the bottle plug, and the bottle plug cover can be reused.
The outer side of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole is formed between the bottle plug cover and the rubber sleeve and communicated with an injection port so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the outer side of the permanent magnet is provided with a circle of bulges, the inner side of the rubber sleeve is provided with a circle of grooves, and the grooves are sleeved on the bulges, so that the permanent magnet and the rubber sleeve are firmly combined.
The overflow check valve plug and the overflow check valve core are made of magnetic conductive materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle plug cover and mutually repels.
The lower end of the injection tube is higher than the lower end of the overflow tube by a certain height, so that the liquid just injected is prevented from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance between the overflow pipe orifice and the bottle bottom D2 is 3-5cm, so that the stirring function is not affected when the electromagnetic stirring rod is placed in the bottle.
The outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that hands are prevented from contacting the overflow port of the bottle plug.
The bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be pulled out conveniently; the injection port is positioned at the center line of the bottle plug.
The electromagnetic stirrer is used for stirring the liquid in the bottle, an electromagnetic stirring rod is placed in the bottle, the bottle is placed on the electromagnetic stirring seat, the electromagnetic stirring seat controls the electromagnetic stirring rod to stir the liquid in the bottle, and the electromagnetic stirring rod and the electromagnetic stirring seat form the electromagnetic stirrer.
The invention has the advantages that the water sample to be measured can be sealed once, medicines can be added for many times through the injection port under the condition that the bottle stopper is not opened, and the electromagnetic stirring rod is used for stirring, so that the sample is always isolated from the atmosphere in the whole measurement process, the accuracy of the measurement result is ensured, and the working strength of an operator is reduced. And the redundant waste liquid can be automatically discharged to the U-shaped groove, and the overflow liquid is poured out before the bottle stopper is opened, so that the skin, clothes and table top of an operator are effectively prevented from being polluted, and the injury to the operator is avoided. The height difference between the lower end of the overflow pipe orifice and the lower end of the injection pipe orifice can prevent the injected reagent from directly flowing out through the overflow pipe, so that the experimental quality is ensured. The invention is applicable to manual injection and automatic reagent injection and has high universality.
Drawings
Fig. 1 is a schematic front view of the present invention.
In the figure: the bottle comprises a bottle body, a bottle stopper 2, a valve core of an overflow one-way valve 3, an overflow port 4, a spring of an overflow one-way valve 5, a plug of an overflow one-way valve 6, a rubber sleeve of a bottle stopper cover 7, a permanent magnet of a bottle stopper cover 8, an injection port 9, a valve core of an injection one-way valve 10, a spring of an injection one-way valve 11, a syringe 12, an overflow pipe 13, a U-shaped groove for collecting overflow liquid 14, an exhaust hole 15, an electromagnetic stirring rod 16, an electromagnetic stirring seat 17 and a bulge 18.
Detailed Description
The drawings illustrate one embodiment of the invention.
A BOD 5 measuring water sample reagent bottle comprises a bottle body 1, a bottle plug 2 plugged into the bottle mouth of the bottle body, and a bottle plug cover arranged on the bottle plug;
the outer side of the bottle mouth is provided with an overflow liquid collecting U-shaped groove 14 which is integrally made with the bottle body;
An overflow check valve and an injection check valve are arranged in the bottle stopper, the overflow check valve is connected with an overflow port 4 of the bottle stopper, is also connected with the inner space of the bottle body through an overflow pipe 13, is connected with an injection port 9 of the bottle stopper, and is also connected with the inner space of the bottle body through an injection pipe 12;
The bottle stopper cover comprises a permanent magnet 8, the permanent magnet is arranged at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve.
The overflow check valve comprises an overflow check valve core 3, an overflow check valve spring 5 and an overflow check valve plug 6 which are contacted in sequence; the overflow check valve plug is fixed with the bottle plug, the side surface of the bottle plug is provided with an overflow port 4 communicated with the overflow valve cavity, the lower part of the bottle plug is connected with an overflow pipe 13, the overflow check valve plug is used for plugging the overflow port at the upper end of the overflow pipe, the position of the overflow port is higher than the sealing port of the overflow check valve, and the lower end of the overflow pipe is positioned in the bottle body.
The injection check valve comprises an injection check valve core 10, an injection check valve spring 11 and an injection tube 12 which are sequentially contacted, wherein the upper end of the injection tube is fixed in an injection check valve cavity of the bottle stopper, the lower end of the injection tube is positioned in the bottle body, the upper end of the injection check valve core is slidably positioned in an injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, and a gap is reserved between the middle upper part of the injection check valve core and the injection port and is used for injecting liquid.
The bottle plug cover is detachably arranged on the bottle plug, and the bottle plug cover can be reused.
The outer side of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve 7, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole 15 is formed between the bottle plug cover and the rubber sleeve and is communicated with an injection port 9 so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the outer side of the permanent magnet is provided with a circle of bulges 18, the inner side of the rubber sleeve is provided with a circle of grooves, and the grooves are sleeved on the bulges, so that the permanent magnet and the rubber sleeve are firmly combined.
The overflow check valve plug and the overflow check valve core are made of magnetic conductive materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle plug cover and mutually repels.
The lower end of the injection tube is higher than the lower end of the overflow tube by a certain height, so that the liquid just injected is prevented from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance between the overflow pipe orifice and the bottle bottom D2 is 3-5cm, so that the stirring function is not affected when the electromagnetic stirring rod is placed in the bottle.
The outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that hands are prevented from contacting the overflow port of the bottle plug.
The bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be pulled out conveniently; the injection port is positioned at the center line of the bottle plug.
The electromagnetic stirrer is used for stirring the liquid in the bottle, the electromagnetic stirring rod 16 is placed in the bottle, the bottle is placed on the electromagnetic stirring seat 17, the electromagnetic stirring seat controls the electromagnetic stirring rod to stir the liquid in the bottle, and the electromagnetic stirring rod 16 and the electromagnetic stirring seat 17 form the electromagnetic stirrer.
When the electromagnetic stirring rod is used, firstly, the electromagnetic stirring rod is placed into the bottle body and filled with a water sample to be measured, then, the bottle plug is covered on the bottle plug, at the moment, under the action of magnetic force of the bottle plug cover, the injection one-way valve and the overflow one-way valve are simultaneously opened, and the bottle plug is placed into the bottle mouth and is plugged tightly. Because the injection check valve and the overflow check valve are opened at the moment, when the overflow method is adopted to seal the water sample, gas cannot exist in the injection tube and the overflow tube, the redundant water sample to be tested flows out through the overflow port, and the overflow water sample is collected through the overflow U-shaped groove. After the bottle stopper is plugged, the bottle stopper cover is taken down, the injection one-way valve and the overflow one-way valve are closed, and the sample to be tested is kept in a sealing state.
After the water sample is sealed, placing the water sample reagent bottle on an electromagnetic stirring seat, and sequentially injecting the reagent into the water sample through an injection port according to a specified flow, wherein manual injection or automatic equipment injection can be adopted. During injection, the injection one-way valve is opened under injection pressure, meanwhile, when the reagent is injected, the pressure in the bottle is increased, the overflow one-way valve is opened, redundant liquid is discharged through the overflow pipe, and the redundant liquid is finally collected in the overflow liquid collecting U-shaped groove. After the injection is stopped, the overflow check valve is closed, and the injection check valve is closed. After each reagent injection is completed, the electromagnetic stirring seat is started, and the electromagnetic stirring rod stirs the liquid under the action of the electromagnetic stirring seat until the stirring is completed.
According to the water sample reagent bottle provided by the invention, after the water sample is sealed once, the injection and stirring of the subsequent reagent can be realized without opening the bottle stopper, so that the water sample to be tested is always isolated from air in the experimental process, the working strength of an operator is reduced, and the detection quality is improved. Meanwhile, the water sample reagent bottle can collect overflow liquid generated in the experimental process until the experiment is finished, and the overflow liquid is poured out before the bottle stopper is opened. The invention is applicable to manual injection and automatic reagent injection and has high universality. The height difference between the overflow pipe orifice and the injection pipe orifice can prevent the injected reagent from directly flowing out through the overflow pipe, so that the experimental quality is ensured.
Claims (6)
1. The utility model provides a BOD 5 measures water sample reagent bottle, includes the bottle, plugs into the bottle's bottleneck, its characterized in that: the bottle plug also comprises a bottle plug cover arranged on the bottle plug;
an overflow liquid collecting U-shaped groove which is integrally manufactured with the bottle body is arranged on the outer side of the bottle mouth;
The bottle stopper is internally provided with an overflow check valve and an injection check valve, the overflow check valve is connected with an overflow port of the bottle stopper, is also connected with the space in the bottle body through an overflow pipe, is connected with an injection port of the bottle stopper, and is also connected with the space in the bottle body through an injection pipe;
the bottle stopper cover comprises a permanent magnet, the permanent magnet is arranged at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve;
The overflow check valve comprises an overflow check valve core, an overflow check valve spring and an overflow check valve plug which are contacted in sequence; the overflow check valve plug is fixed with the bottle plug, an overflow port communicated with the overflow valve cavity is arranged on the side surface of the bottle plug, the lower part of the bottle plug is connected with the overflow pipe, the overflow check valve core is used for plugging the overflow port at the upper end of the overflow pipe, the position of the overflow port is higher than the sealing port of the overflow check valve, and the lower end of the overflow pipe is positioned in the bottle body;
The bottle plug cover is detachably arranged on the bottle plug, and can be reused;
The outer side of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole is formed between the bottle plug cover and the rubber sleeve and communicated with an injection port so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the outer side of the permanent magnet is provided with a circle of bulges, the inner side of the rubber sleeve is provided with a circle of grooves, and the grooves are sleeved on the bulges, so that the permanent magnet and the rubber sleeve are firmly combined.
2. The BOD 5 measurement water sample reagent bottle of claim 1, wherein: the injection check valve comprises an injection check valve core, an injection check valve spring and an injection pipe which are contacted in sequence, wherein the upper end of the injection pipe is fixed in an injection check valve cavity of the bottle stopper, the lower end of the injection pipe is positioned in the bottle body, the upper end of the injection check valve core is slidably positioned in an injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, and a gap is reserved between the middle upper part of the injection check valve core and the injection port and is used for injecting liquid.
3. The BOD 5 measurement water sample reagent bottle of claim 1, wherein: the overflow check valve plug and the overflow check valve core are made of magnetic conductive materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle plug cover and mutually repels.
4. The BOD 5 measurement water sample reagent bottle of claim 1 or 2, wherein: the lower end of the injection tube is higher than the lower end of the overflow tube by a certain height, so that the liquid just injected is prevented from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance between the overflow pipe orifice and the bottle bottom D2 is 3-5cm, so that the stirring function is not affected when the electromagnetic stirring rod is placed in the bottle.
5. The BOD 5 measurement water sample reagent bottle of claim 1 or 2, wherein: the outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that hands are prevented from contacting the overflow port of the bottle plug.
6. The BOD 5 measurement water sample reagent bottle of claim 1 or 2, wherein: the bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be pulled out conveniently; the injection port is positioned at the center line of the bottle plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453553.5A CN110068664B (en) | 2019-05-28 | 2019-05-28 | BOD (BOD)5Reagent bottle for measuring water sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453553.5A CN110068664B (en) | 2019-05-28 | 2019-05-28 | BOD (BOD)5Reagent bottle for measuring water sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110068664A CN110068664A (en) | 2019-07-30 |
| CN110068664B true CN110068664B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910453553.5A Active CN110068664B (en) | 2019-05-28 | 2019-05-28 | BOD (BOD)5Reagent bottle for measuring water sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110068664B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113092662B (en) * | 2021-04-08 | 2023-05-23 | 甘肃农业大学 | Carbon determination device and method based on potassium dichromate capacity method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0386290A1 (en) * | 1989-03-08 | 1990-09-12 | Hsien-Chang Lin | Overflow-preventive bottle stopper |
| CN203108552U (en) * | 2013-03-06 | 2013-08-07 | 李冬丽 | Multi-purpose chemical reagent bottle |
| WO2014135856A1 (en) * | 2013-03-04 | 2014-09-12 | Forte Medical Limited | Urine collection device |
| CN106525648A (en) * | 2016-10-31 | 2017-03-22 | 上海化工研究院 | Piston overflow type zero-headspace extractor test device and method thereof |
| CN207741977U (en) * | 2017-10-24 | 2018-08-17 | 天津市海正泰克塑胶制品有限公司 | A kind of urine collecting device |
| CN208632081U (en) * | 2018-07-11 | 2019-03-22 | 珠海隆康电子科技有限公司 | A kind of anti-overflow filling head |
| CN209946138U (en) * | 2019-05-28 | 2020-01-14 | 菏泽学院 | BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample |
-
2019
- 2019-05-28 CN CN201910453553.5A patent/CN110068664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0386290A1 (en) * | 1989-03-08 | 1990-09-12 | Hsien-Chang Lin | Overflow-preventive bottle stopper |
| WO2014135856A1 (en) * | 2013-03-04 | 2014-09-12 | Forte Medical Limited | Urine collection device |
| CN203108552U (en) * | 2013-03-06 | 2013-08-07 | 李冬丽 | Multi-purpose chemical reagent bottle |
| CN106525648A (en) * | 2016-10-31 | 2017-03-22 | 上海化工研究院 | Piston overflow type zero-headspace extractor test device and method thereof |
| CN207741977U (en) * | 2017-10-24 | 2018-08-17 | 天津市海正泰克塑胶制品有限公司 | A kind of urine collecting device |
| CN208632081U (en) * | 2018-07-11 | 2019-03-22 | 珠海隆康电子科技有限公司 | A kind of anti-overflow filling head |
| CN209946138U (en) * | 2019-05-28 | 2020-01-14 | 菏泽学院 | BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110068664A (en) | 2019-07-30 |
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