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化合物 来自维基百科,自由的百科全书
亞硒酸鉀可由H2SeO3和K2CO3反應得到:[2]
其中,H2SeO3可用二氧化硒溶於水進行反應。K2CO3可用KOH替代。反應後可從溶液中結晶出K2SeO3·H2O。一水合物可以在空氣中風化,失去結晶水而得到無水物。[3]
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