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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.
1.1 These test methods cover procedures for the analysis of white zinc pigments.
1.2 The analytical procedures appear in the following order:
|Preparation of Sample||6|
|Total Zinc, Using Diphenylamine as Internal Indicator||7|
|Total Zinc, Using Uranyl Acetate as External Indicator||8|
|Moisture and Other Volatile Matter||11|
|Leaded Zinc Oxide|
|Moisture and Other Volatile Matter||16|
|Moisture and Other Volatile Matter||21|
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D1193 Specification for Reagent Water
D1394 Test Methods for Chemical Analysis of White Titanium Pigments
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 87.060.10 (Pigments and extenders)
UNSPSC Code 31211503(Pigment paints)
ASTM D3280-85(2009), Standard Test Methods for Analysis of White Zinc Pigments, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top