Withdrawn
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.
WITHDRAWN
ISO 720:1981
WITHDRAWN
ISO 720:1985
95.99
Withdrawal of Standard
Sep 11, 2020
Glass — Hydrolytic resistance of glass grains at 121 degrees C — Method of test and classification
95.99 Withdrawal of Standard