Through the relationship between sodium chloride and target crystal : calcium hypochlorite hydrate , the recycle of mother liquid , the principle of reactive crystallization of sodium - process bleaching power was analyzed 從氯化鈉與目標晶體水合次氫酸鈣間的關系、母液循環等角度分析了鈉法漂粉精工藝的反應結晶原理。