ISO 7109:1985
Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method
Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method
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Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method
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.
| Edition | 1985 |
|---|---|
| Published Date | 1985 |
| Published By | International Standardization Organisation |
| Page Count | 1 |