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GA/T 204-2019 English PDF

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GA/T 204-2019: Forensic sciences--Examination method for benzene, toluene, ethylbenzene and dimethyl benzene in blood and urine--HSGC
Status: Valid

GA/T 204: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GA/T 204-2019	English	329	Add to Cart	3 days [Need to translate]	Forensic sciences--Examination method for benzene, toluene, ethylbenzene and dimethyl benzene in blood and urine--HSGC	Valid	GA/T 204-2019
GA/T 204-1999	English	279	Add to Cart	3 days [Need to translate]	Methods of qualitative and quantitative analysis for benzene, toluene, ethyl benzene, dimethyl benzene in blood and urine	Obsolete	GA/T 204-1999

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Basic data

Standard ID	GA/T 204-2019 (GA/T204-2019)
Description (Translated English)	Forensic sciences--Examination method for benzene, toluene, ethylbenzene and dimethyl benzene in blood and urine--HSGC
Sector / Industry	Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard	A92
Classification of International Standard	13.310
Word Count Estimation	14,139
Date of Issue	2019
Date of Implementation	2019-12-01
Issuing agency(ies)	Ministry of Public Security

GA/T 204-2019: Forensic sciences--Examination method for benzene, toluene, ethylbenzene and dimethyl benzene in blood and urine--HSGC

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Forensic sciences--Examination method for benzene, toluene, ethylbenzene and dimethyl benzene in blood and urine--HSGC ICS 13.310 A92 Public Safety Industry Standards of the People's Republic of China Replace GA/T 204-1999 Forensic science blood, urine benzene, Toluene, ethylbenzene and xylene inspection Headspace gas chromatography Published on October 14,.2019 2019-12-01 Implementation Issued by the Ministry of Public Security of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GA/T 204-1999 "Qualitative and Quantitative Analysis Methods for Benzene, Toluene, Ethylbenzene, and Xylene in Blood and Urine", and Compared with GA/T 204-1999, except for editorial changes, the main technical changes are as follows. --- Modified the standard name (see cover, cover of.1999 edition); --- revised reagents (see Chapter 5, Chapter 5 of the.1999 edition); --- Added instruments and equipment (see Chapter 6); ---Revised the relevant content of qualitative analysis and quantitative analysis (see Chapter 7, Chapter 7 of the.1999 edition); --- Revised the relevant content of qualitative result evaluation and quantitative result evaluation (see Chapter 8, Chapter 8 of.1999 edition). Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents. This standard was proposed by the National Toxic Analysis Subcommittee of Criminal Technical Standardization Technical Committee (SAC/TC179/SC1) and Be in charge. This standard was drafted by. Judicial Expertise Research Institute, Ministry of Public Security Material Evidence Appraisal Center. The main drafters of this standard. Liu Wei, Shen Min, Shen Baohua, Zhuo Xianyi, Xiang Ping, Yu Zhongshan, Wang Fanglin, He Yi. Forensic science blood, urine benzene, Toluene, ethylbenzene and xylene inspection Headspace gas chromatography

1 Scope

This standard specifies the headspace gas chromatography (HS-GC) qualitative and quantitative detection of benzene, toluene, ethylbenzene and xylene in forensic blood and urine This standard applies to qualitative and quantitative analysis of benzene, toluene, ethylbenzene and xylene in forensic blood and urine. Other suspicious samples The qualitative analysis and quantitative analysis of benzene, toluene, ethylbenzene and xylene in the product can be used by reference.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 6682 Analysis laboratory water specifications and test methods GA/T 122 Nomenclature of poison analysis

3 Terms and definitions

The terms and definitions defined in GA/T 122 apply to this document.

4 Principle

The blank sample and the added sample were used as controls. According to the requirements of parallel operation, headspace gas chromatography was used for legal quantification. For the basis of qualitative judgment; based on the peak area, the internal standard method or external standard method was used for quantitative analysis.

5 Reagents and materials

5.1 Reagent The experimental water shall comply with the secondary water specified in GB/T 6682.Reagents include. a) tert-Butanol, chromatographically pure; b) Standard solution. 1) 1.0mg/mL standard substance solution. according to benzene, toluene, ethylbenzene, o-xylene, m-xylene, p-xylene standard substance For the purity of the product, transfer an appropriate amount and prepare 1.0mg/mL of benzene, toluene, ethylbenzene, o-xylene, m-xylene, and p-diphenyl with methanol respectively Toluene standard substance solution, placed in the refrigerator for refrigerated storage, valid for 6 months, or using commercially available standard substance solution; 2) 0.1mg/mL standard working solution. Pipette 1.0mg/mL of benzene, toluene, ethylbenzene, o-xylene, m-xylene, p-xylene Each 1.0mL of toluene standard substance solution was placed in a 10mL volumetric flask, made up to 10mL with water, mixed and sealed, It is respectively configured to have a standard working concentration of 0.1mg/mL benzene, toluene, ethylbenzene, o-xylene, m-xylene, and p-xylene.

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