Assertion: anhydrous sodium carbonate | /r/HasProperty | required for the fixation of excess water
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Source sentences:
text: The anhydrous sodium carbonate which is required for the fixation of excess water, in accordance with the process of this invention, may advantageously consist of the low density sodium carbonate, also called light soda, (apparent specific gravity of about 0.5) and such as produced by the calcination of the crude sodium bicarbonate which precipitates during the carbonation of the ammoniacal brines in the Solvay process.