Assertion: sodium sulfate | /r/HasProperty | recovered as anhydrous crystals
Facets:
value: without dissolving the same
type: MANNER
value: directly
type: MANNER
Source sentences:
text: It is the principal object of the present invention to recover and purify sodium sulphate, obtained from natural deposits or otherwise, by a method which will make 1t possible to eliminate the usual steps ot'crystalli'zation by evaporation, and to permit the sodium sulphate to be directly recovered as anhydrous crystals without dissolving the same.