ISO 1915:1972

Boric oxide for industrial use — Determination of boric oxide content — Volumetric method
The method is based on titration of dissolved test portion with a standard volumetric solution of sodium hydroxide in the presence of mannitol or sorbitol, using phenolphthalein as indicator. Water, free from carbon dioxide, shall be used in the test.
SDO:
ISO
Language:
English
ICS Codes:
71.060.20
Status:
Withdrawn
Publish date:
1972-04-30
Standard Number:
ISO 1915:1972