Significance and Use
4.1 These test methods are for analysis designed as an aid in quality of yellow, orange, and green pigments containing lead chromate and chromium oxide green. Some sections may be applicable to analysis of these pigments when extracted from whole paints.
Scope
1.1 These test methods cover procedures for the chemical analysis of yellow, orange, and green pigments containing lead chromate and chromium oxide green.
1.2 The analytical procedures appear in the following order:
Sections
Chrome Yellow, Chrome Orange, and Molybdate Orange
Organic Colors and Lakes
7
Moisture and Other Volatile Matter
8
Matter Soluble in Water
9
Lead Chromate
10 and 11
Total Lead
12
Sulfate
13 and 14
Carbon Dioxide
15
Molybdenum
16 and 17
Extenders
18 – 22
Calculation of Substances Other than Insoluble Lead
Compounds
23 and 24
Pure Chrome Green and Reduced Chrome Green
Organic Colors and Lakes
25
Moisture and Other Volatile Matter
26
Matter Soluble in Water
27
Iron Blue
28
Lead Chromate
29 and 30
Barium Sulfate and Insoluble Siliceous Material
31
Total Lead
32
Sulfate
33
Calcium Oxide Soluble in Acid
34 and 35
Extenders
36
Calculation of Insoluble Lead Compounds
37
Chromium Oxide Green
Organic Colors and Lakes
38
Moisture and Other Volatile Matter
39
Matter Soluble in Water
40
Total Chromium as Chromium Oxide
41
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 problems, 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. Specific hazard statements are given in Note 3.
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.