3.1 These test methods compile procedures which can be used to check the composition of purity of metallic zinc powder. This information is useful to both the formulator and users.

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.