GB/T 24572.3-2009Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 3: Activated charcoal absorption (English PDF)
火灾现场易燃液体残留物实验室提取方法 第3部分：活性炭吸附法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 30, 2009
Implementation date
April 1, 2010
Scope
GB/T 24572.3-2009 is the English-translated version of 火灾现场易燃液体残留物实验室提取方法 第3部分：活性炭吸附法.
GB/T 24572.3-2009 is the Chinese standard "Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 3: Activated charcoal absorption".
Its scope clause reads: 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. Its clauses include terms and definitions; principles and characteristics.
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Document preview — GB/T 24572.3-2009
National Standard of the People's Republic of China
- ICS
- 13.220.01
- Classification
- C 82
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Principles and Characteristics
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.
GB 12955-2024 | GB 14102.1-2024 | GB/T 26784-2011 | GB/T 24572.6-2026 | GB/T 24572.5-2013 | GB/T 24572.2-2009 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 24572.1-2009 — Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 1: Solvent extraction
GB/T 24572.2-2009 — Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 2: Direct headspace vapors sampling
GB/T 24572.4-2009 — Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 4: Solid phase microextraction(SPME)
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