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ժҪ:��Þr��̻��ٟ��w�ҵ�̎��Ч��M��ˌ��о�. ̽ӑ�˞r��c�w��Բ�ͬ��ό��w��ؽ��Pb , Cr , Cd , Ni , Cu , Zn �̻�Ч��Ӱ�. ��r��c�w�ҵ��|(zh��)��(mASPmFA , ��AS ��r��, FA ��w��) ��012�r��Mһ��о�, �ڴ˻��A(ch��)�ϼ��벻ͬ��ӄ�S ��NaOH. �Y(ji��)��, �ڞr��c�w�ҵĻ��ټ��m��ӄ�, ��w�ҵĹ̻�Ч��.

�P(gu��n)�I�~:�r��; S; NaOH; �w��ؽ��; �̻�Ч��; �ؽ��

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