3.1 These test methods are intended for quality control acceptance of natural rubber and may be used for referee purposes.
1.1 These test methods cover the sampling and chemical analysis of solid natural rubber in the forms supplied to the rubber industry.
1.2 The analytical procedures appear in the following order:
| Sections |
Sampling | 5 |
Volatile Matter | 6 – 8 |
Dirt | 8199;9 – 13 |
Ash | 14 – 17 |
Copper (Referee Colorimetric Method) | 18 – 22 |
Copper (Alternative ...... ASTM D1278-91a(2015) Referenced Document
ASTM D1278-91a(2015) history
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