��̎��ؽ��ُUˮ��Ӱ��ط��

��r�g��2012-11-16 23:33 ��Դ��V��p��I(y��) ��: ��x��1873

ժҪ:��̎��ؽ��ُUˮ�^��y(t��ng)��Ѓ�(y��u)�ݡ��̎��ؽ��ُUˮ�ĸ��NӰ��,�ɴ��ؽ��Ч�ʵĽ��h,��չ��l(f��)չǰ��,��

�P(gu��n)�I�~:��,�ؽ��,�Uˮ,Ӱ��(sh��)

��I(y��)�İl(f��)չ�a(ch��n)��ؽ��ُUˮ,��ؽ��M��B(t��i)�h(hu��n)��ͨ�^ʳ��Mһ��w��(n��i)��[1],��Ɖ��w��x��,��h(hu��n)��w��Σ��@��ˮ�R��,��ʹ��¼�,��һ��S��I(y��)�İl(f��)չ��ؽ��ʹ��Խ��Խ�V��,��Ķ��ؽ��YԴ��ȱ��,��Ч�ػ��ؽ��Ǯ�(d��ng)��h(hu��n)��o�I(l��ng)��е�һ��ͻ��}��

�˂�̎��Uˮ�е��ؽ��һ��W(xu��)��,��x�ӽ��Q,��늽�,��Ĥ��x,��߀ԭ�ȣ�[2]��ă�(y��u)�c�ǿ�̎��ĸߝ�ȵĽ��,��y(t��ng)��ð��F�Ļ��̿��x�ӽ��Q��֬��, �y��m��(y��ng)��Ҏ(gu��)ģ�Uˮ̎��Ҫ,��x�ӽ��Q��x�ӽ��Q��֬�Ľ��Q��ޣ��_��ͺ�,��Ͳ��x��,��Ǯ�(d��ng)ˮ�е��ؽ��ٝ��^�͕r��͵�1×10- 3��|(zh��)��?j��n)?sh��)��(sh��)��r,��û��W(xu��)��,��܄��ȷ��̎��r, ��y��_��Ч��Hȥ��ʲ��,��߀��\��M�øߵĆ��},��о��l(f��)�F(xi��n)��w�ɽ��W(xu��)��x��, �Q��ַQ��s,��e��,��ջ��ٵ��̶��|(zh��)��Ⱦ�ͻ��ؽ��ṩ��Փ��A(ch��),��Џ��Һ�з��x��w��w�Ƃ��ͨ�Q��,��

��΢��ϡ��Һ��ؽ��ٷ��M��^��о�,��ȡ��˶�헳ɹ�,��Ŀǰ,��(n��i)��д��P(gu��n)��t��о��Kratochivl �ú��ȥ�� Cr3+,��G.CetinkayaDonmezl �ú��ȥ�� Cr6+,��C��ȥ��t�Uˮ��ؽ��t�Ŀ��ԡ�JorgeR Carvalhol ��ܛľ��ȥ��Uˮ�е� Cr3+,��Zumriye Aksul �ù̶��̎�� Cr6+�Uˮ,��ȡ��^�õ�ȥ��Ч��,��ڇ��(n��i)��շf�ðl(f��)��B(y��ng)�õ��ļ��߾��ȥ��Uˮ�� Cr6+,��ï��څ�ż�� Cr3+,��ÔS�߽�ĸ�ؚ��̎��ؽ��t��mȻĿǰ��(n��i)��д��P(gu��n)��t��о��,��̎�ڌ��о��A��,��Ͷ�빤�I(y��)��(y��ng)�õĄt�^��[3]��y(t��ng)��̎��,��̎��ؽ��ˮ�о��(y��u)�c[4]��1��(ji��)��,��̎��Ч�ʸߣ��2��ڵ͝��,��ٿ��Ա��x��Ե�ȥ��,��3�� r�� pH ֵ�͜ضȗl��4��ڷ��x��ؽ��,��5��,��ľ��ؽ��ٷ��ƼsӰ��,��ؽ��Ч�ʵĽ��h,��

1 ��Դ

�ԏ� Adams �� Homes[5]�״��Ø�֬��خ�� Ca2+�� Mg2+�ԁ�, �˂��l(f��)�F(xi��n)�S��Ѓ�(y��u)Խ�Ľ��ĳЩ��N��پ��, ��^��,��һЩ�tֻ��һ�N��һ��, ��F(xi��n)��^�ߵ��x��

Ԕ��(n��i)��Ո�鿴��֣�

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