ISO 720:1985

Glass — Hydrolytic resistance of glass grains at 121 degrees C — Method of test and classification

Publication date: 10 tet 1985

95.99 Withdrawal of Standard 11 sht 2020

General information

Current stage: 95.99 Effective date: 11 sht 2020

Originator: ISO

Owner: ISO/TC 76

Type: International Standard

ICS: 81.040.01

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

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Scope

The principle, reagents, apparatus and the procedure are specified. The resistance is expressed by the volume of acid required for titration of the alkali extracted from the unit mass of glass. The permissible range of the values obtained and the limit values in the hydrolytic resistance grain test are listed.