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sklademVydáno: 1972
ISO 2480:1972
ISO 2480:1972-Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
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1200 Kč
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K okamžitému stažení
Tisknutelné
1200 Kč
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1200 Kč
Francouzsky Tisk
Skladem
1200 Kč
| Označení normy: | ISO 2480:1972 |
| Počet stran: | 2 |
| Vydání: | 1 |
| Vydáno: | 1972 |
Popis
ISO 2480:1972
The method is applicable to water soluble sulphate, in the product, but also to sulphates in a principal solution prepared in an acid medium. The principle consists in dissolution of a test portion and separation of the insoluble residue. Precipitation of the sulphate ions by barium chloride in a boiling acid medium. Filtration, washing and ignition of the precipitate. Weighing of the residue.