3.1 This collection of test methods is used by pigment producers and paint manufacturers for process control, product acceptance, and research and development.

1.1 These test methods cover procedures for the chemical analysis of cuprous oxide and copper pigments.

1.2 The analytical procedures appear in the following order:

Sections

Total Copper

7

Total Reducing Power as Cuprous Oxide

8 and 9

Metallic Copper

10 and 11

Cuprous Oxide

12

Cupric Oxide

13

Metals Other than Copper

14 – 16

Chlorides and Sulfates

17 and 18

Acetone-Soluble Matter

19

Water

20

Stability

21

Coarse Particles

22

Coarse Particles Insoluble in Nitric Acid

23

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 and health practices and determine the applicability of regulatory limitations prior to use.