Standard Practice for Separation of Ignitable Liquid Residues from Fire Debris Samples by Passive Headspace Concentration with Activated CharcoalName übersetzen
NORM herausgegeben am 15.11.2019
Bezeichnung normen: ASTM E1412-19
Ausgabedatum normen: 15.11.2019
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
activated charcoal, fire debris samples, forensic science, passive headspace concentration,, ICS Number Code 13.220.99 (Other standards related to fire protection)
|Significance and Use|
4.1 This practice is useful for preparing extracts from fire debris for later analysis by gas chromatography mass spectrometry.
4.2 This is a very sensitive separation procedure, capable of isolating quantities smaller than 1/10 μL of ignitable liquid residue from a sample.
1.1 This practice describes the procedure for separation of small quantities of ignitable liquid residues from samples of fire debris using an adsorbent material to extract the residue from the static headspace above the sample, then eluting the adsorbent with a solvent.
1.2 While this practice is suitable for successfully extracting ignitable liquid residues over the entire range of concentration, the headspace concentration methods are best used when a high level of sensitivity is required due to a very low concentration of ignitable liquid residues in the sample.
1.2.1 Unlike other methods of separation and concentration, this practice is essentially nondestructive.
1.3 Alternate separation and concentration procedures are listed in the referenced documents (see Practices , , , and ).
1.4 This practice does not replace knowledge, skill, ability, experience, education, or training and should be used in conjunction with professional judgment.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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