ISO-7109 › Ammonia solution for industrial use -- Determination of residue after evaporation at 105 degrees C -- Gravimetric method
ISO-7109
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1ST EDITION
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CURRENT
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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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Document Number
ISO 7109:1985
Revision Level
1ST EDITION
Status
Current
Publication Date
June 1, 1985
Committee Number
ISO TC 47