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Normas ASTM – AENOR
ASTM D3280-85(2009)

ASTM D3280-85(2009)

Standard Test Methods for Analysis of White Zinc Pigments

Fecha:
2014-12-12 /Historical
Superseeded by:
Significance and Use:

White zinc pigments find considerable use in white paints, and as such it is useful to formulators and users to be able to monitor the amounts of these pigments in whole paints. It is also of interest to raw material suppliers and paint producers to check the specifications of each pigment.

Scope:

1.1 These test methods cover procedures for the analysis of white zinc pigments.

1.2 The analytical procedures appear in the following order:

Section
Preparation of Sample 6
Zinc Oxide
Total Zinc, Using Diphenylamine as Internal Indicator 7
Total Zinc, Using Uranyl Acetate as External Indicator 8
Total Impurities 9
Total Sulfur10
Moisture and Other Volatile Matter11
Leaded Zinc Oxide
Total Lead12
Total Zinc13
Total Sulfur14
Total Impurities15
Moisture and Other Volatile Matter16
Water-Soluble Salts17
Zinc Sulfide
Zinc Oxide18
Zinc Sulfide19
Water-Soluble Salts20
Moisture and Other Volatile Matter21
Barium Sulfate22
Titanium Dioxide23

1.3 The values stated in SI units are to be regarded as 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.

Keywords:
analysis; barium sulfate; lead; sulfur; uranyl acetate; white zinc pigment; zinc; White pigments--general analysis; Leaded zinc oxide; Lead screening testing; Zinc content; Zinc pigments
51,52
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