ISO 7109:1985

Current Revision
Ammonia solution for industrial use -- Determination of residue after evaporation at 105 degrees C -- Gravimetric method

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ISO 7109:1985

Ammonia solution for industrial use -- Determination of residue after evaporation at 105 degrees C -- Gravimetric method

PUBLISH DATE 1985
ISO 7109:1985

A test portion is evaporated in a tared platinum dish and the residue is weighed after drying at 105 ± 2 °C.

The method is applicable to solutions containing not more than 35 % (m/m) ammonia.

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