Standard

ISO 720:1985

Withdrawn

Note: This standard has a new edition: ISO 720:2020

Corrigendums and amendments are bought separately.

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Abstract

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.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Expires:
  • Edition: 2
  • Version: 1
  • Document type: IS
  • ICS 81.040.01
  • ISO TC ISO/TC 76

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