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GB/T 18294.2-2010: Technical identification methods for fire -- Part 2: Thin layer chromatography analysis
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| GB/T 18294.2-2010 | English | 139 |
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Technical identification methods for fire -- Part 2: Thin layer chromatography analysis
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GB/T 18294.2-2010
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Basic data | Standard ID | GB/T 18294.2-2010 (GB/T18294.2-2010) | | Description (Translated English) | Technical identification methods for fire -- Part 2: Thin layer chromatography analysis | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C82 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 6,687 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-06-01 | | Quoted Standard | GB/T 6682-2008; GB/T 20162 | | Regulation (derived from) | National Standard Approval Announcement 2011 No.2 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the terms and definitions in the technical appraisal of fire TLC, trial principles, reagents and materials, , standard sample and test methods test equipment. This section applies to gasoline, kerosene, diesel and paint thinner and other flammable liquids and identification of common fire combustion residues. | GB/T 18294.2-2010: Technical identification methods for fire -- Part 2: Thin layer chromatography analysis
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Technical identification methods for fire Part 2. Thin layer chromatography analysis
ICS 13.220.01
C82
National Standards of People's Republic of China
Fire technical appraisal methods
Part 2. TLC
Part 2. Thinlayerchromatographyanalysis
Issued on. 2011-01-14
2011-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 18294 "Fire technical appraisal method" is divided into six parts.
--- Part 1. UV spectroscopy;
--- Part 2. thin layer chromatography;
--- Part 3. gas chromatography;
--- Part 4. High performance liquid chromatography;
--- Part 5. gas chromatography - mass spectrometry;
--- Part 6. Infrared Spectroscopy.
This section GB/T Part of 218,294.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Technical Committee of Standardization Technical Committee Fire Fire Investigation (SAC/TC113/SC11) centralized.
This section is drafted. Tianjin Fire Research Institute of Ministry of Public Security.
The main drafters of this section. Deng Zhenyu, Geng Huimin, Lu Zhi Bao Tian osmanthus, Liang Guofu.
Fire technical appraisal methods
Part 2. TLC
1 Scope
This section GB/T 18294 specifies the terms and definitions fire technical appraisal in thin-layer chromatography, the test principle, test equipment, test
Agents and materials, standard samples and test methods.
This section applies to the identification of gasoline, kerosene, diesel oil and paint thinner and other flammable liquids and fire common combustion residues.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
GB/T 20162 Fire Identification evidence Extraction
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Silica gel thin layer plate thinlayerchromatographyplateofsilicagel
According to different requirements evenly coated with silica gel, glass, metal or plastic sheets.
3.2
TLC thinlayerchromatographyanalysis
The sample with the appropriate controls in the same TLC plate spotting, started after the color, and then compare, for performing common flammable liquid fire
The method of identification and combustion residue.
3.3
Eluent developingsolvent
The sample can be separated in a thin-layer board reagent.
3.4
Rf value Rfvalue
TLC plate spotting spots expanded to center distance from the origin and the origin from the developing solvent ratio to the leading edge.
4 Test principle
Flammable liquids and combustion residue content after the TLC plate spotting, since the distribution coefficient of thin layer chromatography stationary phase and mobile phase varies
To separation, followed by its fluorescent color, color of iodine vapor and water color, will show a certain position, size and color characteristic spots, through
Had confirmed flammable liquids and combustion residues kind of comparison.
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