1、 1HZHJSZ00150 HZ-HJ-SZ-0150 1 0.1mg/L 3.33mg/L 100mg/L 5mg/L 0.5mg/L(II)2 560575nm 570nm 2.1 103L mol-1cm-1.3 3.1(1.84g/mL)3.2 c(NaOH)=1mol/L 3.3 c(1/2H2SO4)=1mol/L 3.4 c(1/2H2SO4)=6mol/L 3.5 20g/L 2g 100mL 90%10g 90mL 23g 10g 4 35 60 3.6 c 1/2I2 0.05 mol/L 6.35g 20g 1000mL 3.7 c(1/6K2Cr2O7)=0.0500m
2、ol/L 110130 2h 2.4516g 1000mL 3.8 c Na2S2O35H2O 0.05mol/L 12.5g 1000mL 0.4g 250mL 1g 50mL 20.0mL(3.7)5mL(3.4)5min 1mL(3.10)(V1)(mol/L)(1)c1 mol/L c2 mol/L V1 mL V2 mL 3.9(HCHO)3.9.1 2.8mL(36%38%)1000mL 1mg 4)1.(.12 21VV cc=2 20.0mL 250mL 50.0mL(3.6)15mL(3.2)15min 20mL(3.3)15min(3.8)1mL(3.10)(V)20.0m
3、L(3.9.1)(V0)(mg/mL)(2)V0 mL V mL c1 mol/L 15(1/2HCHO)g/mol 3.9.2 10.0g 3.10 10g/L 4 4.1 4.2 4.3 0 100 4.4 500mL 5 5.1 1mL(3.1)pH 2 24h 5.2 5.3 100mL(4.4)15mL 35mL(3.1)100mL 100mL 15mL 6 6.1 6.1.1 3.0mL 25mL(3mL)3.5 0.5mL 3.1 6.0mL 20min 6.4.2 570nm 20mm 6.2 25mL 0.00 0.10 0.30 0.50 0.70,1.00mL 3mL 7 c(mg/L)(3)2.(.0.201000 15)(1 0-=c V Vc 3 m g V mL 8 1.81mg/L 1.4%3.3%-0.4%0.69.6%83110%(1)(2)0.5h(3)9 pp.416417 1997)3(.Vmc=
