ISO 1686:1976

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Sodium and potassium silicates for industrial use -- Samples and methods of test -- General

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ISO 1686:1976

Sodium and potassium silicates for industrial use -- Samples and methods of test -- General

PUBLISH DATE 1976
ISO 1686:1976

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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