Historical
ASTM D444-88(2008)
Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow)
1.1 These test methods cover procedures for the chemical analysis of the pigment known commercially as “zinc yellow” or “ zinc chromate yellow.”
1.2 The analytical procedures appear in the following order:
| Sections | |
| Moisture and Other Volatile Matter | 7 |
| Combined Water | 8 |
| Chromium: | |
| Dichromate Method | 9-11 |
| Thiosulfate Method | 9, 12, and 13 |
| Zinc: | |
| Hydroxyquinoline Method | 9, 14, and 15 |
| Ferrocyanide Method | 9, 16, and 17 |
| Alkaline Salts | 18 and 19 |
| Sulfates | 20 and 21 |
| Chlorides | 22 and 23 |
| Matter Insoluble in Dilute Acetic Acid | 24 |
| Coarse Particles | 25 |
1.3 The values stated in SI units are to be considered 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 and health practices and determine the applicability of regulatory limitations prior to use.
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ASTM International [astm]
ASTM International [astm]