Standard Active Last Updated: Jan 31, 2017 Track Document
ASTM D5547-95(2017)

Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption

Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption D5547-95R17 ASTM|D5547-95R17|en-US Standard Test Method for Clay and Zeolite in Powdered Laundry Detergents by Atomic Absorption Standard new BOS Vol. 15.04 Committee D12
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Abstract

This test method covers atomic absorption tests applicable to powdered laundry detergents containing clay and zeolite. The test sample is fused with lithium metaborate, dissolved in acid, its silicon and aluminum content measured by atomic absorption, and the silicon/aluminum (Si/Al) ratio calculated. The clay and zeolite content of the test sample is calculated from the Si/Al ratio of the test sample and the Si/Al ratio of the clay and zeolite expected in the test sample. This test method is based on the linear relationship between the relative composition (or ratio) of clay/zeolite in detergent powders and the Si/Al ratio of such detergents.

Scope

1.1 This test method covers atomic absorption tests applicable to powdered laundry detergents containing clay and zeolite.2

1.2 The values stated in SI units are to be regarded as the standard.

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: 15.04
Developed by Subcommittee: D12.12
Pages: 4
DOI: 10.1520/D5547-95R17
ICS Code: 71.100.40