1. Uburyo bwo kugabanya amakara ya pulverized, mirabilite hamwe namakara bivangwa bivanze mukigereranyo cya 100: (21-22.5) (igipimo cyibiro) hanyuma ubarwa kandi ugabanuka kubushyuhe bwo hejuru bwa 800-1100 ° C, hanyuma ibisubizo bikonjeshwa hamwe nubushyuhe. gushonga mumazi hamwe na dilute lye, nyuma yo guhagarara kuri clearica ...
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