SSH ISO 1686:1976

Silikate natriumi dhe kaliumi për përdorim industrial - Marrja e mostrës dhe metodat e provës - Të përgjithshme

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

Scope

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