CN201335820Y - Vehicle-mounted liquid-phase chromatographic analyzer - Google Patents
Vehicle-mounted liquid-phase chromatographic analyzer Download PDFInfo
- Publication number
- CN201335820Y CN201335820Y CNU2009201050591U CN200920105059U CN201335820Y CN 201335820 Y CN201335820 Y CN 201335820Y CN U2009201050591 U CNU2009201050591 U CN U2009201050591U CN 200920105059 U CN200920105059 U CN 200920105059U CN 201335820 Y CN201335820 Y CN 201335820Y
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- liquid chromatograph
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Abstract
A vehicle-mounted liquid-phase chromatographic analyzer comprises a liquid storage bottle, a degasser, a high-pressure transfer pump, a sample injector, a chromatographic column, an ultraviolet detector and a waste liquid bottle which are hermetically connected in sequence. The ultraviolet detector is provided with a Z-shaped detection pool and is in electrical connection with a data processing workstation. The vehicle-mounted high performance liquid-phase chromatographic analyzer of the utility model has the advantages of compact structure, small integral occupied space, simple and convenient operation and easy implementation; the liquid-phase chromatographic analyzer can be used for the identification and the content determination of high performance liquid phases in a moving test vehicle; in addition, a damping system is arranged at the bottom part, thereby reducing the influence on the detection precision and the stability of the high performance liquid-phase chromatographic analyzer caused by the movement of the test vehicle; and the analyzer can conduct detection tests on various products.
Description
Technical field
The utility model relates to a kind of highly effective liquid phase chromatographic system of detection range, specifically, relates to a kind of vehicle-mounted efficiently liquid chromatograph.
Background technology
High performance liquid chromatograph is one of analytical instrument at present with fastest developing speed in the world, is widely used in the analysis of various fluid samples, particularly obtains widespread use in fields such as medicine, biochemistry, oil, chemical industry, environmental health and food.High performance liquid chromatograph can be analyzed the 70%-80% of organic compound sum, can be applicable to the product quality analysis of different industries.High performance liquid chromatograph just is fixed in the testing laboratory and uses all the time, in recent years, needs along with unexpected incidents strick precaution and processing, all kinds of emergent laboratories (nigration car) have appearred, departments such as environmental protection, food supervision, health and epidemic prevention are detected for reply is on-the-spot to be needed, and liquid chromatograph is installed in takes love scene on the nigration car and carry out testing.
Thereby realize on-the-spot the detection on the nigration car though highly effective liquid phase chromatographic system can be loaded into, but conventional high performance liquid chromatograph is fixed, shared spatial volume is bigger, and used moving phase often is some poisonous chemicalss odorous.Therefore vehicle-mounted liquid phase faces the problem that some must solve, and for example, the instruction carriage that moves can move on different roads, and this will improve the detection stability of high performance liquid chromatograph; The space of instruction carriage is limited, and the shared spatial volume of vehicle-mounted liquid phase just can not be too big, and operation will be more simply to save the operating space; Because moving phase has toxicity and smell, thus will be strict for the requirement of liquid storage bottle and waste liquid bottle, should satisfy the demand of detection, save the space again, also wanting to have pollution to the environment in the car.
The utility model content
In order to address the above problem, the utility model provide a kind of and have compact integral structure, stable detection performance, can on the instruction carriage that moves, carry out on-the-spot that detect, be fit to the vehicle-mounted high performance liquid chromatograph that uses onboard.
The vehicle-mounted liquid chromatograph of the utility model, comprise liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle and data processing work station, wherein: described liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle connect with seal for pipe joints successively, and described UV-detector is electrically connected described data processing work station.
The vehicle-mounted liquid chromatograph of the utility model, wherein: the head end of the feed tube in the described liquid storage bottle is provided with solvent filter, and this filtrator is a stainless steel filter.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described liquid storage bottle and waste liquid bottle are formed by the vial of organic solvent-resistant corrosion and screw socket bottle cap with holes.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described degasser is online vacuum degassing machine.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described high pressure pump is a double pump system, has the self-cleaning function, and can carry out the gradient test.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described injector is a manual injector.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described chromatographic column is conventional chromatographic column, can change different chromatographic columns according to detecting different samples.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described UV-detector has Z type detection cell, and the straight line portion in its Z type pond is taper.
The vehicle-mounted liquid chromatograph of the utility model, wherein: what the wavelength calibration of described detecting device was used is mercury lamp.
The vehicle-mounted liquid chromatograph of the utility model, wherein: described vehicle-mounted liquid chromatograph also comprises a shock mitigation system, is arranged at the bottom of described vehicle-mounted high performance liquid chromatograph.
Vehicle-mounted high performance liquid chromatograph described in the utility model, compact conformation, whole shared space structure is little, the discriminating and the content assaying method of the instruction carriage high performance liquid chromatogram that is used for moving, easy to operation, the bottom is provided with shock mitigation system, can reduce the influence of instruction carriage operation to the accuracy of detection and the stability of high performance liquid chromatograph, can carry out the detection test of multiple product.
Description of drawings
Fig. 1 is the structural representation of the vehicle-mounted high performance liquid chromatograph of the utility model;
Fig. 2 is the structural drawing in the vehicle-mounted high performance liquid chromatograph ultraviolet detection of the utility model pond.
Embodiment
Fig. 1 is the structural representation of the vehicle-mounted high performance liquid chromatograph of the utility model; Vehicle-mounted high performance liquid chromatograph of the present utility model comprises liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle and data processing work station.Wherein liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle pipeline connection successively, the data processing work station is electrically connected UV-detector.
In order to guarantee the environment in the car, liquid storage bottle is the corrosion resistant container of relative airtight organic solvent-resistant with waste liquid bottle, and the head end of the feed tube in the liquid storage bottle is provided with solvent filter, and this filtrator is a stainless steel filter.
Degasser is online vacuum degassing machine.
Injector is a 7725i type hand sampling valve.
Chromatographic column is the C18 post, and its specification is 4.6mm (i.d.) * 250mm, and packing material size is 5 μ m.Can change different chromatographic columns if detect different samples.
The detection cell of UV-detector is the detection cell (see figure 2) with unique design, wherein: quartz window 1,6 is arranged, be located at the sealing gasket 2,5 in the quartz window opposite face, form Z type pond 3 and conical tank 4 between two quartz windows 1,6, back at back a slice quartz window 6 is provided with photodiode 7, and its wavelength calibration can be used mercury lamp.
The data processing work station is a computer work, can carry out the countercharge operation to the each several part of vehicle-mounted high performance liquid chromatography.
Vehicle-mounted high performance liquid chromatograph is provided with shock mitigation system, is located at the bottom of vehicle-mounted liquid chromatograph, and purpose is to reduce the influence of instruction carriage operation to high performance liquid chromatograph accuracy of detection and stability.
In order to investigate the performance of vehicle-mounted high performance liquid chromatograph of the present utility model, the researchist has carried out relevant performance test test to it.
Test: the detection test of naphthalene standard specimen
Testing conditions: chromatographic column: C18 post (4.6mm (i.d.) * 250mm, 5 μ m)
Moving phase: methyl alcohol
Detect wavelength: 254nm
Flow velocity: 1.0mL/min
Column temperature: environment temperature
Sample size: 20 μ L
Reagent: 1 * 10
-4G/mL naphthalene standard solution
Before the instruction carriage off-duty and instruction carriage respectively through on highway, common road and hill path the operation after, the performance of vehicle-mounted high performance liquid chromatograph of the present utility model is tested, all testing conditions are above-mentioned testing conditions.Each test is treated each sample introduction of the stable back of instrument six times, and last testing result is as shown in the table.
The investigation project | Retention time average/min | Keep the peak area average |
Before the instruction carriage off-duty | 4.057 | 687015 |
Instruction carriage is through behind the highway | 4.048 | 681553 |
Instruction carriage is through behind the common road | 4.055 | 689042 |
Instruction carriage through the hill path after | 4.052 | 686916 |
Retention time average RSD | 0.09% | -- |
Keep peak area average RSD | -- | 0.47% |
By detection to the naphthalene standard specimen, from the test findings of last table as can be seen, the stable performance of vehicle-mounted high performance liquid chromatograph of the present utility model, no matter instruction carriage can detect after which type of road traveling accurately.
Claims (9)
1, a kind of vehicle-mounted high performance liquid chromatograph, comprise liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle and data processing work station, it is characterized in that: described liquid storage bottle, degasser, high pressure pump, injector, chromatographic column, UV-detector, waste liquid bottle connect with seal for pipe joints successively, and described UV-detector is electrically connected described data processing work station.
2, according to the described vehicle-mounted high performance liquid chromatograph of claim 1, it is characterized in that: the head end of the feed tube in the described liquid storage bottle is provided with solvent filter, and this filtrator is a stainless steel filter.
3, according to the described vehicle-mounted high performance liquid chromatograph of claim 2, it is characterized in that: described liquid storage bottle and waste liquid bottle are formed by the vial of organic solvent-resistant corrosion and screw socket bottle cap with holes.
4, according to the described vehicle-mounted high performance liquid chromatograph of claim 3, it is characterized in that: described degasser is online vacuum degassing machine.
5, according to the described vehicle-mounted high performance liquid chromatograph of claim 4, it is characterized in that: described high pressure pump is a double pump system.
6, according to the described vehicle-mounted high performance liquid chromatograph of claim 5, it is characterized in that: described injector is a manual injector.
7, according to the described vehicle-mounted high performance liquid chromatograph of claim 6, it is characterized in that: described UV-detector has Z type detection cell, and the straight line portion in Z type pond is taper.
8, according to the described vehicle-mounted high performance liquid chromatograph of claim 7, it is characterized in that: what the wavelength calibration of described UV-detector was used is mercury lamp.
9, described according to Claim 8 vehicle-mounted high performance liquid chromatograph is characterized in that: also comprise a shock mitigation system, be arranged at the bottom of described vehicle-mounted high performance liquid chromatograph.
Priority Applications (1)
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CNU2009201050591U CN201335820Y (en) | 2009-01-13 | 2009-01-13 | Vehicle-mounted liquid-phase chromatographic analyzer |
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CNU2009201050591U CN201335820Y (en) | 2009-01-13 | 2009-01-13 | Vehicle-mounted liquid-phase chromatographic analyzer |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103026221A (en) * | 2010-07-23 | 2013-04-03 | 安捷伦科技有限公司 | Fitting element with bio-compatible sealing |
CN103698428A (en) * | 2013-12-18 | 2014-04-02 | 中国科学院过程工程研究所 | Vehicle-mounted portable liquid chromatographic instrument |
CN104076107A (en) * | 2014-07-16 | 2014-10-01 | 山东石大胜华化工集团股份有限公司 | On-line analysis device for quick detection of low pressure gas content |
-
2009
- 2009-01-13 CN CNU2009201050591U patent/CN201335820Y/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103026221A (en) * | 2010-07-23 | 2013-04-03 | 安捷伦科技有限公司 | Fitting element with bio-compatible sealing |
CN103026221B (en) * | 2010-07-23 | 2016-08-17 | 安捷伦科技有限公司 | There is the accessory that bio-compatibility seals |
US9494563B2 (en) | 2010-07-23 | 2016-11-15 | Agilent Technologies, Inc. | Fitting element with bio-compatible sealing |
US10989340B2 (en) | 2010-07-23 | 2021-04-27 | Agilent Technologies, Inc. | Fitting element with bio-compatible sealing |
CN103698428A (en) * | 2013-12-18 | 2014-04-02 | 中国科学院过程工程研究所 | Vehicle-mounted portable liquid chromatographic instrument |
CN103698428B (en) * | 2013-12-18 | 2015-07-01 | 中国科学院过程工程研究所 | Vehicle-mounted portable liquid chromatographic instrument |
CN104076107A (en) * | 2014-07-16 | 2014-10-01 | 山东石大胜华化工集团股份有限公司 | On-line analysis device for quick detection of low pressure gas content |
CN104076107B (en) * | 2014-07-16 | 2016-08-24 | 山东石大胜华化工集团股份有限公司 | Quickly detect the on-line analysis device of low pressure gas content |
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Granted publication date: 20091028 |
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