The frequent occurrence of drunk driving and the increasing number of traffic accidents caused by drunk driving require rapid, accurate and stable analysis of the alcohol content in the blood of drunk driving drivers, which has become an important and important The difficult task. The GC-7980F gas chromatograph produced by our company is used in conjunction with the headspace sampler. The detection of alcohol content in the blood is in accordance with the analysis requirements and analysis conditions specified in the People ’s Republic of China Public Safety Industry Standard GA / T842-2009 It can quickly and accurately analyze the alcohol content in human blood. Can meet the needs of traffic police judicial departments across the country.
GC7980F blood alcohol detection chromatograph instrument configuration:
1.GC-7980F gas chromatograph with hydrogen flame detector
2. (Automatic and fully automatic) headspace sampler (sealing forceps, headspace bottle)
3. Dedicated chromatographic column for alcohol analysis in blood
4. Nitrogen, hydrogen, air source (fully automatic) gas purity 99.999%
5. Data processing system (computer, printer, chromatography workstation)
Remarks: The company's after-sales technicians are free to install, start and debug, responsible for the professional training of experimental personnel, and implement the "turnkey" project. The whole machine is guaranteed for one year and maintained for life.
(1) Technical characteristics of the instrument: gas chromatography analyzer (GC-7980F type)
The fully automatic intelligent blood alcohol special gas chromatography analyzer (GC-7980F type) uses a large-screen LCD Chinese display and intuitive operation. The instrument has functions such as self-diagnosis, power-off protection, file storage and recall, and eight-level program temperature increase. With a separate vertical heating type capillary sampling system, the effect of the vaporization chamber on the column chamber is minimized, and the adaptability to various different syringes is improved.
The new FID has high sensitivity, and can be easily loaded and unloaded nozzle and ion collector. With six independent temperature control areas, each vaporization chamber, detector and amplifier are designed with modules, which is convenient and simple to install and replace. The chromatographic column box has a large capacity and can be installed with capillary tubes and packed columns at the same time. It has three independent injectors.
(2) Temperature control index:
※ Temperature control area: chromatographic column box, injector, detector
※ Temperature control range: 5 ℃ ～ 450 ℃ at room temperature (increment of 1 ℃)
※ Temperature control accuracy: better than ± 0.1 ℃
※ Program temperature rise: Five-step rate 0.1 ℃ ～ 40 ℃ / min (increment 0.1 ℃)
Detector index sensitivity drift linear
Hydrogen flame FIDM1 <1 × 10-12g / s (n-hexadecane) <0.3mv / 0.5h> 107
GC7980F automatic intelligent gas chromatograph for blood alcohol is our Zeming company in accordance with the industry standard of the Ministry of Public Security of the People's Republic of China: GA / T842-2009. Developed and manufactured in response to the technical characteristics of high accuracy and fast working efficiency required for the detection device of alcohol (ethanol) content in blood of drivers
The fully automatic intelligent headspace sampler, ZM-8A automatic headspace sampler is the latest automatic headspace sampler with integrated design and easy operation developed by our company. Microcomputer control, LCD display, Chinese, English free switch, membrane keyboard, digital input, LCD can display: method parameter setting, real-time working status, running time, year, month, day and time, etc. There is a comprehensive power-on self-checking program, sample tray automatic positioning system, and a complete fault alarm and fault prompt function. It is convenient to deal with the problems encountered in the analysis in time. The system prestores a set of default analysis methods, and allows users to store multiple sets of commonly used analysis methods and mixed operation analysis methods. It can be fully controlled using the ZM-8A's keyboard. This feature makes it compatible with all gas chromatographs.
Technical Parameters:
1. Sample heating temperature control range: room temperature-240 ℃ set in increments of 1 ℃;
2. The temperature control range of the valve sampling system: room temperature-220 ℃ set in increments of 1 ℃;
3 The temperature control range of the sample transfer tube: room temperature-220 ℃ set in increments of 1 ℃;
4. Temperature control accuracy: <± 0.1 ℃;
5. Headspace bottle station: 16 bits; 6. Headspace bottle specifications: standard 10ml, 20ml (other specifications can be customized);
7. Repeatability: RSD <2.0% (related to GC performance); 8. Injection pressure range: 0 ~ 0.4Mpa (continuously adjustable);
9. Instrument size: 430mm × 330mm × 500mm
Instrument features:
The headspace sampler controls the chromatograph to realize automatic operation, continuous analysis, unattended operation, and maximize work efficiency.
After each sample injection is completed, the system automatically uses inert gas to purge the sampling line and quantitative loop to prevent cross-contamination.
The inert sample channel from the syringe to the transfer line is standard on the ZM-8A. Obtained complete sample system inertness.
From the sample to the instrument inlet, the entire system is heated to eliminate the cold spots of the system, reduce the peak broadening of the sample, and increase the resolution. Make sample analysis more accurate.
Remarks: The company's after-sales technicians are free to install, start and debug, responsible for the professional training of experimental personnel, and implement the "turnkey" project. The whole machine is guaranteed for one year and maintained for life.
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