ISO 907:1976

Hydrochloric acid for industrial use — Determination of sulphated ash — Gravimetric method

The principle of the method consists in evaporation of a test portion; conversion of the salts in sulphates by treatment with sulphuric acid. Ignition in an electric furnace, maintained at (800 +- 50) °C, and weighing. Replaces ISO Recommendation R 907-1968.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.30

Statut:

Annulée

Date de Publication:

1976-10-31

Numéro Standard:

ISO 907:1976