Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D4450-85(2002)

Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment

Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment D4450-85R02 ASTM|D4450-85R02|en-US Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment Standard new BOS Vol. 06.03 Committee D01
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Significance and Use

This test method may be used to confirm the stated zinc oxide and phosphorous acid content of zinc hydroxy phosphite pigment.

Scope

1.1 This test method is intended for the determination of zinc oxide and phosphorous acid content of the pigment commercially known as zinc hydroxy phosphite. The zinc content is determined by ethylenediaminetetraacetate (EDTA) titration and calculated as zinc oxide (ZnO), while the phosphorus content is determined colorimetrically and calculated as phosphorous acid (H3PO3).

1.2 The analytical procedures appear in the following order:

Sections
Zinc oxide6 through 8
Phosphorous acid9 through 14

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: 06.03
Developed by Subcommittee: D01.31
Pages: 3
DOI: 10.1520/D4450-85R02
ICS Code: 87.060.10