1.1 These test methods cover procedures for the chemical analysis of metallic zinc powder in the form commercially known as zinc dust for use as a pigment in paints.
1.2 The analytical procedures appear in the following order: Sections Moisture and Other Volatile Matter 7 Coarse Particles 8 Matter Soluble in Hexane 9 and 10 Total Zinc 11 and 12 Metallic Zinc 13 and 14 Zinc Oxide 15 Calcium 16 and 17 Lead 18 Iron 19 Cadmium 20 Chlorine 21 and 22 Sulfur 23 and 24
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM D521-02(2019) Referenced Document
ASTM B214 Standard Test Method for Sieve Analysis of Metal Powders
ASTM D1193 Standard Specification for Reagent Water
ASTM D185 Standard Test Methods for Coarse Particles in Pigments, Pastes, and Paints
ASTM D280 Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
ASTM D6580 Standard Test Method for The Determination of Metallic Zinc Content in Both Zinc Dust Pigment and in Cured Films of Zinc-Rich Coatings*, 2023-08-03 Update