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MmNn()LMmNnMnNm-molLMn+Nm-MmNnMnLMmNn=[Mn+]m[Nm-]n[Mn+]mMn+[Nm-]n2050()()X1100mlPH10%PH2.40~80%30%=x100%(GB8978-1996)5mgLpH:pHpHpH1pHpH0.495.72Cu2+042.4%Cu2+373.0mg/L215.0mg/LpH8.10Cu2+99.7%Cu2+1mg/LpH12.05Cu2+99.6%Cu2+1.32mg/LpH13.53Cu2+67.7%Cu2+120.6mg/L2pH2.178.50Cu2+15.48mg/L0.39mg/LZn2+107.8mg/L3.2mg/LpH1.829.38Cu2+24.6mg/L0.1mg/LZn2+10.4mg/LpH2.0610.65Cu2+22.7mg/L0.13mg/LZn2+112.0mg/L3.18mg/LpH