ISO 1686:1976 PDF
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Sodium and potassium silicates for industrial use — Samples and methods of test — General
The method specified are applicable directly to soluted mateials or materials soluble in boiling water. In case of solid chemicals not readily soluble in boiling water, a special preliminary treatment is necessary. Precautions shall be taken in order to avoid absorption of moisture and carbon dioxide. All tests and analyses shall be carried out at a temperature of 20 °C. In order to avoid incorrect results use only reagents of analytical grade. Replaces ISO Recommendation R 1686-1970
| Edition | 1976 |
|---|---|
| Published Date | 1976 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
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