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3.2.5��}��Һ�м��85%��6ml/L,��߳��P��ٶ�,��c�F�P��ɿ��Ե��F,��FeO+2H3PO4→Fe(H2PO4)2+H2O(12)��һ�NꖘO�;��g��ꖘO��a(ch��n)��Fe2+��ܽ��ąf(xi��)ͬ��c��ᷴ��,��ɵ�FePO4��e��̼䓱��,��ꖘO��,��ꖘO�O��5��ꎘO�O��5��4#ԇ��Ʒ��^��(Ҋ�D2),�侏�g��(Ҋ��3),��Fe3++PO3-4→FePO4↓(13)