Withdrawn
The method is based on titration of a 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 .
WITHDRAWN
ISO 1914:1972
95.99
Withdrawal of Standard
May 27, 2002
Boric acid for industrial use — Determination of boric acid content — Volumetric method
95.99 Withdrawal of Standard