The relation of PH of yield,and purity of phytin was studied,itwas shown that the PH 7 is optimum.

• 聚丙烯酸钠作为澄清剂可明显地提高植酸钙镁的纯度.；对中和pH与得率及纯度关系进行的研究表明:中和pH以7为最适