Повучен
The principle, reagents, apparatus and 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. For five classes of grain the limit values in the test are listed.
ПОВУЧЕН
ISO 719:1981
ПОВУЧЕН
ISO 719:1985
95.99
Повучен
11. 9. 2020.
ОБЈАВЉЕН
ISO 719:2020
Staklo — Hidrolitička otpornost staklenih zrna na 98 °C — Metoda ispitivanja i klasifikacija
95.99 Повучен