ASTM-D4450 2007

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D4450-85(2007) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment

Published By	Publication Date	Number of Pages
ASTM	2007	3

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Categories: 87.060.10 - Pigments and extenders, ASTM

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Description

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 (H 3 PO 3 ).

1.2 The analytical procedures appear in the following order:

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use Purity of Reagents Reagents
2	Procedure Calculation Reagents Apparatus Calibration Curve Procedure Calculation
3	Precision Keywords TABLE 1

Additional information

Standard Title	D4450-85(2007) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
Published Code	ASTM
Publication Date	2007
Pages Count	3
ICS Codes	87.060.10 - Pigments and extenders

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ASTM-D4450 2007

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