Standard Historical Last Updated: Oct 14, 2013 Track Document
ASTM D5012-01(2008)

Standard Guide for Preparation of Materials Used for the Collection and Preservation of Atmospheric Wet Deposition

Standard Guide for Preparation of Materials Used for the Collection and Preservation of Atmospheric Wet Deposition D5012-01R08 ASTM|D5012-01R08|en-US Standard Guide for Preparation of Materials Used for the Collection and Preservation of Atmospheric Wet Deposition Standard new BOS Vol. 11.07 Committee D22
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Significance and Use

Some chemical constituents of AWD are not stable and must be preserved before chemical analysis. Without sample preservation, it is possible that analytes can be lost through decomposition or sorption to the storage bottles.

Contamination of AWD samples can occur during both sample preservation and sample storage. Proper selection and cleaning of sampling containers are required to reduce the possibility of contamination of AWD samples.

The natural sponge and talc-free plastic gloves used in the following procedures should be recognized as potential sources of contamination. Individual experience should be used to select products that minimize contamination.

Scope

1.1 This guide presents recommendations for the cleaning of plastic or glass materials used for collection of atmospheric wet deposition (AWD). This guide also presents recommendations for the preservation of samples collected for chemical analysis.

1.2 The materials used to collect AWD for the analysis of its inorganic constituents and trace elements should be plastic. High density polyethylene (HDPE) is most widely used and is acceptable for most samples including samples for the determination of the anions of acetic, citric, and formic acids. Borosilicate glass is a collection alternative for the determination of the anions from acetic, citric, and formic acid; it is recommended for samples for the determination of other organic compounds.

1.3 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.

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Details
Book of Standards Volume: 11.07
Developed by Subcommittee: D22.03
Pages: 5
DOI: 10.1520/D5012-01R08
ICS Code: 07.060