Reference number
ISO 1914:1972
ISO 1914:1972
© ISO 2024
ISO 1914:1972
Boric acid for industrial use — Determination of boric acid content — Volumetric method
Edition 1
1972-05
1972-05
Retirada
Resumen
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 .