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1FHZHJSZ0017F-HZ-HJ-SZ-00171.11.21.350mLCN2mg/L1.41.4.150mL0.02mg/L1.4.250mL10mm0.05mg/L1.550mL10mmCN1.0mg/L0.23.13.13.1.1()10g3.1.21000mL0.1mL(ñ1.84g/mL)50mL800mL10g()3.23.2.1(HgCl2KIKOH)15g(KOH)50mL5g(KI)10mL2.5g(HgCl2)100mL24h3.2.2(HgI2KINaOH)16g(NaOH)50mL7g(KI)10g(HgI2)100mL3.3250g(KNaC4H6O64H3O)100mL100mL3.4CN1000ìg/mL3.8190.004g(NH4Cl100~1052h)1000mL3.5CN10ìg/mL10.00mL(3.4)1000mL3.610(m/V)10g(ZnSO47H2O)100mL3.725(m/V)25g(NaOH)100mL3.80.35(m/V)3.5g(Na2S2O3Na2S2O35H2O)1000mL3.91.5g200mL0.5g(KI)0.5g(Na2CO3)250mL5.12~5(ñ1.84g/mL)pH25.250mL(6.1)50mL(50mL)6.16.1.1(3.8)0.5mL0.25mg(3.9)6.1.2100mL1mL(3.6)0.1~0.2mL(3.7)pH10.520mL6.1.3(3.3)6.1.4(A)6.1.5pH()pH36.250mL1mL(3.3)1.5mL(3.2.1)l.0mL(3.2.2)10min420nm20mnl6.350mL6.2.6.46.4.1650mL00.100.300.500.701.00mL(3.5)6.26.4.2850mL00.501.002.003.005.007.0010.00mL(3.5)6.2()mN7.1(6.4.1)mNVCN(mg/L)7.2Ar(1)1…………………………………………-=bsrAAAAs(6.2)Ab(6.3)CN(mg/L)(2)2………………………………………………=VmcNNmNìgAr(6.4.2)VmLrRCNmg/Lrmg/LRmg/L1.471.210.024*0.028**0.066*0.075**95~10594~104*31**169GB7479-874A.1A.1.1(H3BO3)20g/LA.1.2(NaOH)40g/LA.1.3(MgO)500A.1.4(HClñ1.18g/mL)1mol/LA.1.5A.1.6(bromthymolblue)0.5g/LA.2500~800mL2cm350mL100mLA.350mL(A.1.1)300mL(A.1.6)(A.1.2)(A.1.4)pH6.0()~7.4()350mL0.25g(A.1.3)[(A.1.5)]10mL/min200mL(300mL)(A.1.2)