ISO 1686:1976
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Silicates de sodium et de potassium à usage industriel — Échantillons et technique des essais — Généralités
| Published By | Publication Date | Number of Pages |
| ISO | 1976-02 | 4 |
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
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