The principle of the method consists in dissolution of a test portion and filtration of the solution through a tared filter. Washing of the insoluble matter at approximately 50 C until the washings are no longer alkaline. Drying of the residue and weighing. Replaces ISO Recommendation R 746-1968.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 746:1976 |
| Product Name | Sodium carbonate for industrial use - Determination of matter insoluble in water at 50 degrees C |
