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ASTM D 5281 : 1998

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Collection and Analysis of Hexavalent Chromium in Ambient Atmospheres
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

10-10-1998

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.03, 2014 Covers the collection and measurement of hexavalent chromium [CR(VI)] in ambient, indoor, or workplace atmospheres. Collects and stabilises atmospheric hexavalent chromium using an alkaline impinger buffer solution in a wet impingement sampling technique.

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.

Committee
D 22
DocumentType
Test Method
Pages
8
ProductNote
Reconfirmed 1998
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 2914 : 2015 : REDLINE Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)

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PDF - English
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