�像Uˮ̎��÷��

��r�g��2008-09-16 15:30 ��Դ�� : ��x��2102

��ИI(y��)��ˮ��

�像Uˮ��係��f,��켈,��ӡȾ��,��r(n��ng)ˎ�ȵ�ˮ��С,��Ⱦ��խ,��像S�c�ֲ��V��Uˮ��߶��|(zh��)�ķN�,��Σ��Ǻܴ��,��δ��(j��ng)̎��_�˵��像Uˮ��ӵ��,��B��,��Σ��h(hu��n)��ҕ��Ⱦ��ˮ�͹��I(y��)��ˮ,��像Uˮ�к��t�\,��~��k,��U,��懵��ؽ��x��Լ��ᡢ�A �軯��Ⱦ��кܴ��Ե��s��,��е�߀��°��»�׃�Ą��|(zh��)��˱��J��ؼ��̎��⌦�˂��Σ��,��ݻ�ˮ�Ƽ��޹�˾�ǌ��I(y��)��¹��I(y��)�Uˮ��õĸ߿Ƽ��˾��˾��像Uˮ��ü��g(sh��)��˴��о��ԇ򞹤��,��_�l(f��)��像Uˮ̎��Q��,��̎��ˮˮ�|(zh��)�_��C��ˮ��ʯ��ŷŘ˜ʣ��I(y��)�_��Q��ۆ��},��

��像Uˮ̎��Q��

��һ�� ͹�ˇ

        �� ؽ��ȥ��ԭ��

        һ��ؽ��x��ȥ��܉��ں܌��pH��pH 3-12��(n��i)��,��ڴ�PH��(n��i)�_��ʹ��ؽ��x��ȥ��̎��Ҷ��ȡ��^��Ч��{(di��o)PHֵ��ֱ��ʹ��ز��̎��ڳɱ��ρ��f�ǲ��(j��ng)��,��һ�㑪ԓ��{(di��o)pHֵ��һ��,��ʹһ��ؽ��x��Ԛ��ʽ��Ķ��p��ؽ��x��ȥ��ʹ��,��̎��ɱ�,��1��ĳЩ��ٚ��pH��

        ��1 ĳЩ��ٚ��pH��

��x��	Fe³⁺	Al³⁺	Cr³⁺	Cu²⁺	Zn²⁺	Sn²⁺	Ni²⁺	Pb²⁺	Cd²⁺	Mn²⁺
��pHֵ	6-12	5.5-8	8-9	>8	9-10	5-8	>9.5	9-9.5	>10.5	10-14
�ӉA��ܽ��pHֵ		>8.5	>9		>10.5			>9.5

       ��r�t,��ͨ�^߀ԭ��M��߀ԭ��ʹ֮��߀ԭ��r�t,��Ȼ��ͨ�^��Ϸ��M��ȥ��,��҂�ͨ�^��һ��Ļ��ʹ�ؽ��γɵĳ��ڳ��г��,��Խ��ͳ�ˮ��SS,��ʹ��ˮ׃��峺͸��

        ��ˇ��c��(y��u)��

        1,��̎��ˮˮ�|(zh��)��,��

        2,��Ԅӻ��̶ȸߣ��ˮˮ�|(zh��)��(w��n)��,��

        3,��ù�(ji��)��͌��ù�ˇ��\��M�õ�,��܉��Ќ�ʹ��ˮ�_��ҾC��Ⱦ��ŷŘ˜ʣ�GB8978-1996��,��Ќ�푑�ʮ�ߴ�Ĺ�(ji��)�ܜp��ߡ�

        4,��\��M�õ�,��ˎ��ˡ�

        5,��O(sh��)��ƽ�沼�ò��دBʽ,��ˮ̎��O(sh��)��ռ��eС��c��ϵ�y(t��ng)ռ��ͨ��ˮ̎��ˇ��1/5,��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��(qu��n)�棬Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��x�x,��