ASTM-D444 Historical Revision Information
Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow)

ASTM-D444 - 1988 R08 EDITION - SUPERSEDED
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Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow)
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Scope

1.1 These test methods cover procedures for the chemical analysis of the pigment known commercially as zinc yellow or zinc chromate yellow.

1.2 The analytical procedures appear in the following order:

Sections
Moisture and Other Volatile Matter7
Combined Water8
Chromium:
Dichromate Method 9-11
Thiosulfate Method9, 12, and 13
Zinc:
Hydroxyquinoline Method9, 14, and 15
Ferrocyanide Method9, 16, and 17
Alkaline Salts18 and 19
Sulfates20 and 21
Chlorides22 and 23
Matter Insoluble in Dilute Acetic
Acid
24
Coarse Particles25

1.3 The values stated in SI units are to be considered the standard. The values given in parentheses are for information only.

1.4 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.

Significance and Use

This test method has been developed to standardize the chemical analysis of zinc chromate yellow pigment and to provide alternate methods of analysis for chromium and zinc.

Keywords

pigmentszinc chromate; zinc chromate; Anti-corrosion pigments--zinc chromate; Chromium content--paints/related coatings; Zinc content; Zinc pigments; ICS Number Code 87.060.10 (Pigments and extenders)

To find similar documents by ASTM Volume:

06.03 (Paint -- Pigments, Drying Oils, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles)

To find similar documents by classification:

87.060.10 (Pigments and extenders)

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Document Number

ASTM-D444-88(2008)

Revision Level

1988 R08 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

Jan. 1, 2008

Document Type

Test Method

Page Count

5 pages

Committee Number

D01.31