1.1These test methods cover procedures for the chemical analysis of yellow, orange, and green pigments containing lead chromate and chromium oxide green.
1.2The 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
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This 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.
1.5This 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.
