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ASTM International - ASTM D4450-85(2002)

Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment

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Organization: ASTM International
Publication Date: 25 January 1985
Status: inactive
Page Count: 3
ICS Code (Pigments and extenders): 87.060.10
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.

Document History

October 1, 2019
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
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...
November 1, 2012
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
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...
November 1, 2007
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
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...
January 1, 1996
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
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 EDTA...
January 1, 1990
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
A description is not available for this item.
ASTM D4450-85(2002)
January 25, 1985
Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
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...
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