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.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 7109:1985 |
| Product Name | Ammonia solution for industrial use - Determination of residue after evaporation at 105 degrees C - Gravimetric method |