��Ⱦ��ޏ�(f��)�о��Mչ

��r�g��2010-10-13 15:25 ��Դ�� : �׽�� F ��x��946

ժҪ��As ��Ⱦ��ȫ��Ԇ��}��҇�Ҳ��,��As ��Ⱦ��ޏ�(f��)��о��c,��P(gu��n)�C��Բ��ȫ��ľC��ˇ��(n��i)��΢��,��,��ֲ��As ��Ⱦ��D(zhu��n)��As ��As ��C��Լ�΢��-ֲ��(f��)��ϵ�y(t��ng)�ޏ�(f��)As ��Ⱦ��挍��҃�(n��i)�о��r,��Ŀǰ�V��J(r��n)��ֲ��ޏ�(f��)��ؽ��/�ǽ��Ⱦ�^�Б�(y��ng)��ǰ��,��ʹ�ó��ֲ��һ��^��ȱ�ݣ��ͨ�^΢��＼�g(sh��)��{(di��o)��(ji��)��H΢��B(t��i),��ֲ��Ⱦ��д��/��ո��As,��O�ߑ�(y��ng)��ǰ��

�P(gu��n)�I�~�� ,��΢��,��򾣻ֲ��,��Ⱦ��,��ޏ�(f��)

��(j��)��l(w��i)��M��نT��ǰȫ��5000��f�˿��R��ط��As �ж��{��д��(sh��)�遆�އ��,��Ї��As ��Σ��(y��n)�صć��֮һ,��аĴ��ϼ��,��ӡ��,��Ї��ձ�,��ȶ��҈��˵��ˮ,��ر�ˮ��As��Ⱦ,��ϼ��s600 ~ 1000 �f��ˮ��еĴ��(sh��)��As �^��,��2 mg/L��A(y��)Ӌ��20 ~ 27 �f��ú�As ��Ⱦ��ˮ��ڰ��Y[1-2],��Ĵ��ж��As��^1000 mg/kg ��Ⱦ�؅^(q��)[3],��2001 ��1 ��µ��ˮAs ��(bi��o)��(zh��n)��50 μg/L ��10 μg/L��҇�Ŀǰ��ˮ��(bi��o)��(zh��n)��As ��50 μg/L,��ˮ��(bi��o)��(zh��n)��,��ȫ��ˮ̎��Ј��R��(zh��n)��

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