ASTM E2154用带有固相微量萃取(SPME)的无源液上浓缩法对燃烧废墟样品中易燃液体残留物进行分离和浓缩的标准规范
日期:2012-02-08 10:29
re, capable of isolating small quantities of ignitable liquid residues from a sample, that is, a 0.1 L spike of gasoline on a cellulose wipe inside of a 1-gal can is detectable.
Actual recovery will vary, depending on several factors, including adsorption temperature, container size, competition from the sample matrix, ignitable liquid class and relative ignitable liquid concentration.
Because this separation takes place in a closed container, the sample remains in approximately the same conditi
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08/30 09:43