ISO 7109:1985
Ammonia solution for industrial use; Determination of residue after evaporation at 105 degrees C; Gravimetric method

Standard No.

ISO 7109:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Latest

ISO 7109:1985

Scope

A test portion is evaporated in a tared platinum dish and the residue is weighed after drying at 105 2 鳦. The method is applicable to solutions containing not more than 35 % (m/m) ammonia.

ISO 7109:1985 history

• 1985 ISO 7109:1985 Ammonia solution for industrial use; Determination of residue after evaporation at 105 degrees C; Gravimetric method