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ASTM D5281-98

Historical Revision

Standard Test Method for Collection and Analysis of Hexavalent Chromium in Ambient Atmospheres (Withdrawn 2014)

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1.1 This test method covers the collection and measurement of hexavalent chromium [CR(VI)] in ambient, workplace, or indoor atmospheres.

1.2 This test method collects and stabilizes atmospheric hexavalent chromium using an alkaline impinger buffer solution in a wet impingement sampling technique. Lead chromate [PbCrO4], generally considered poorly soluble in water, is soluble in the impinger solution up to 940 [mu]g/L as hexavalent chromium.

1.3 This test method measures hexavalent chromium using an ion chromatographic separation combined with a post separation reaction with a colorimetric reagent and photometric detection.

1.4 This test method is applicable in the range of 0.2 to 100 ng/m of hexavalent chromium in the atmosphere assuming 20 m of air sample. The range can be extended upwards by appropriate dilution.

1.5 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

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 and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number D5281
Publication Date Oct. 10, 1998
Language en - English
Page Count 8
Revision Level 98
Supercedes
Committee D22.03
Publish Date Document Id Type View
Nov. 1, 2013 D5281-98R13 Revision
Oct. 10, 1998 D5281-98 Revision
March 1, 2005 D5281-98R05 Reaffirmation