6가 크롬의 경우 석재폐수 전처리는 어떻게 해야 합니까?
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6가 크롬의 경우 석재폐수 전처리는 어떻게 해야 합니까?
6가 크롬의 흡착 전처리에 수지를 사용할 수 있습니다. 필요한 경우 실험을 전달하고 준비합니다.
먼저 NaHSO3로 환원시킨 후 Na2S로 침전시키세요.
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