Standard

ISO 720:1985

Withdrawn

Note: Latest version: ISO 720:2020

Existing or new amendments and versions must be purchased 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.

Products specifications

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Period for objection until:
  • Edition: 2
  • Document type: IS
  • Pages
  • Publisher: ISO
  • Distributor: ISO
  • ICS: 81.040.01
  • International TC: ISO/TC 76

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