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ASTM D5012-89(1994)e1

ASTM D5012-89(1994)e1

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

2017-08-16 /Historical
Superseeded by:

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.

atmospheric wet deposition samples; collection materials; sample containers; sample contamination; sample preservation
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