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GB/T 24572.3-2009: Standard practice for separation and concentration of ignitable liquid residues from fire debris samples -- Part 3: Activated charcoal absorption
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24572.3-2009 | English | 149 |
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Standard practice for separation and concentration of ignitable liquid residues from fire debris samples -- Part 3: Activated charcoal absorption
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GB/T 24572.3-2009
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Basic data | Standard ID | GB/T 24572.3-2009 (GB/T24572.3-2009) | | Description (Translated English) | Standard practice for separation and concentration of ignitable liquid residues from fire debris samples -- Part 3: Activated charcoal absorption | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C82 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 5,598 | | Date of Issue | 2009-10-30 | | Date of Implementation | 2010-04-01 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.12 (Total No.152) | | 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 activated charcoal or activated carbon fiber sheet adsorption method for extracting a flammable liquid fire scene residues common principles and characteristics, reagents, materials and equipment and test procedures. This section applies to laboratory extraction gasoline, kerosene, diesel, paint thinner and flammable liquids such as ethanol fire common residues. | GB/T 24572.3-2009: Standard practice for separation and concentration of ignitable liquid residues from fire debris samples -- Part 3: Activated charcoal absorption
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Standard practice for separation and concentration of ignitable liquid residues from fire debris samples Part 3. Activated charcoal absorption
ICS 13.220.01
C82
National Standards of People's Republic of China
Scene of the fire flammable liquid residue laboratory extraction method
Part 3. Activated Carbon Adsorption
Posted 2009-10-30
2010-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 24572 "scene of the fire flammable liquid residue laboratory extraction method" is divided into five sections.
--- Part 1. solvent extraction;
--- Part 2. Direct headspace method;
--- Part 3. Activated Carbon Adsorption;
--- Part 4. Solid phase micro extraction;
--- Part 5. Purge and Trap Method.
This is Part 3 GB/T 24572 of.
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, Lu Zhi Bao, Geng Huimin, Tian Guihua, Liang Guofu, Fan Zilin.
Scene of the fire flammable liquid residue laboratory extraction method
Part 3. Activated Carbon Adsorption
1 Scope
This section GB/T 24572 specifies the activated carbon or activated carbon fiber sheets carbon adsorption method to extract common flammable liquid fire site residues
Principles and characteristics of objects left, reagents, materials and equipment and test procedures.
This section applies to laboratory extraction gasoline, kerosene, diesel oil and paint thinner and other flammable liquid fire scene common residue.
2 Normative references
The following documents contain provisions which, through reference GB/T 24572 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 18294 (all parts) Identification of fire technology
GB/T 20162 Fire Identification evidence Extraction
3 Terms and Definitions
GB/T 18294 (all parts) and GB/T 20162 and established the following terms and definitions apply to this section.
3.1
The adsorbent is placed on top of the space samples, adsorption, enrichment methods flammable liquid volatiles.
3.2
Coconut shell is the most commonly used raw materials, high temperature activated carbon adsorption sheet material.
3.3
With carbon fiber as raw material by high temperature carbonization, activated after the formation of efficient adsorbent fibrous material.
4 Principles and Characteristics
4.1 Principle
The samples into a closed container and heating the container, so that one of flammable liquid residue to the volatile component to the container headspace
After being activated carbon or activated carbon fiber sheet static headspace enrichment, then activated carbon charcoal or activated carbon fiber sheet after taken out by solvent desorption
Desorption obtain a sample can be tested.
4.2 Characteristics
Activated carbon adsorption method has the following characteristics.
--- Not suitable for the extraction of oil of high boiling point substances;
--- Does not destroy the morphology of samples;
--- Large volume of samples can be extracted;
--- Treated by this method samples, solvent extraction method can also be used again.
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