PROCESS FOR THE ISOLATION OF H ACID AND K ACID
The invention relates to a process for isolating H acid and K acid in the form of their monoalkali metal salts from acid aqueous solutions which contain these two acids and alkali metal ions and may contain other aminonaphtholdisulphonic acids, in which process H acid monoalkali metal salts are prec...
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Sprache: | eng ; ger |
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