3.1 These test methods are suitable for determining the level of purity and for determining the levels of various impurities. They may be used to establish compliance with specification requirements.

1.1 These test methods cover procedures for the chemical analysis of basic carbonate white lead and basic sulfate white lead.

Note 1: If it is necessary to separate these pigments from others, refer to Practice D215.

1.2 The analytical procedures appear in the following order:

Section

Preparation of Sample

 6

Basic Carbonate White Lead:

 Small Amounts of Iron

 7

 Total Lead

 8

 Moisture and Other Volatile Matter

 9

 Carbon Dioxide (Evolution Method)

10

 Carbon Dioxide and Combined Water (Combustion Method)

11

 Lead Carbonate

12

 Total Matter Insoluble in Acetic Acid

13

 Total Matter Insoluble in Acid Ammonium Acetate

14

 Total Impurities Other Than Moisture

15

 Coarse Particles

16

Basic Sulfate White Lead:

 Small Amounts of Iron

17

 Total Lead

 Moisture and Other Volatile Matter

19

 Total Sulfate

20

 Zinc Oxide

21

 Basic Lead Oxide

22

 Total Impurities

23

 Coarse Particles

24

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, 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.