ISO 1915:1972
Boric oxide for industrial use; Determination of boric oxide content; Volumetric method

Standard No.

ISO 1915:1972

Release Date

1972

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 1915:1972

Scope

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.

ISO 1915:1972 history

• 1972 ISO 1915:1972 Boric oxide for industrial use; Determination of boric oxide content; Volumetric method