Reference number
ISO 1915:1972
ISO 1915:1972
© ISO 2024
ISO 1915:1972
Boric oxide for industrial use — Determination of boric oxide content — Volumetric method
Edition 1
1972-05
1972-05
Retirada
Resumen
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.