ISO 1914:1972

Boric acid for industrial use — Determination of boric acid content — Volumetric method

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 .

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.30

Statut:

Annulée

Date de Publication:

1972-04-30

Numéro Standard:

ISO 1914:1972