次磷酸鈣,化學式Ca(H2PO2)2。
性質
製備
由白磷與石灰乳攪拌反應,在98°C下反應生成次磷酸鈣,同時產生有毒的磷化氫。反應畢後過濾除去未反應物,然後通入二氧化碳,將次磷酸鈣溶液澄清、濃縮、過濾,濾液活性炭脫色,再過濾、濾液調節pH、濃縮、冷卻結晶、離心分離、乾燥,製得次磷酸鈣成品。[3]
用途
次磷酸鈣用作動物營養劑、藥物合成試劑等。[3]
參考資料
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