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sklademVydáno: 1973
ISO 2831:1973
ISO 2831:1973-Sodium fluoride for industrial use — Determination of water-insoluble matter
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| Označení normy: | ISO 2831:1973 |
| Počet stran: | 1 |
| Vydání: | 1 |
| Vydáno: | 1973 |
DESCRIPTION
ISO 2831:1973
The principle consists in dissolution of a test portion, separation of all insoluble matter by filtration of the solution by vacuum through a filter crucible, drying and weighing. Has also been approved by the IUPAC.