GB-T11742-89环境空气-硫化氢的测定-亚甲蓝分光光度法

FHZHJDQ0147F-HZ-HJ-DQ-0147110mL1µg0.1550.0100.15µg/10mL30L0.005mg/m310mL0.154µg30L0.0050.13mg/m30.13mg/m31h6hSO21mg/m3NO20.6mg/m3233.14.3g3CdSO48H2O0.3g10g1L3.23.2.150mL30mL12g[NNdimethyl-p-phenylenediaminedihydrochlorideCH32NC6H42HCl]3.2.22.5mL1+1100mL3.3100gFeCl36H2O100mL3.41mL10.04mL3.540g[NH42HPO4]100mL3.60.0100mol/L100mL0.1000N1LA3.7c1/2I2=0.1mol/L40g25mL12.7g1L3.80.01mol/L100mL0.1mol/L1L18g3.90.5g/100mL0.5g5mL100mL23min3.101+150mL50mL13.11Na2S9H2O0.71g1L1.00mL5µg20.00mL0.01mol/L250mL90mL1mL1+110.00mL3min0.0100mol/L1mL0.5g/100mL10mL0.05mL171012××−=NVVccmg/mLV2mLV1mLN173.120.020.5µg/min244.110mL4.20.22L/min54.310mL4.420mm665nm4.50.12GB5275510mL0.51.5L/min30L1h6h66.16.1.1012345mL10.09.99.09.89.49.2mL00.100.200.400.60.8µg00.512341mL30min12Fe320mm665nmµgBsµg/6.1.224h250mL/min21FFPc+=cmg/m3Pµg/minF1L/minF2L/min0.05µg/min0.25L/min4.75L/min0.01mg/m30.0050.13mg/m351.0L/min30L6.1.1mg/m3Bg[mg/m3]6.266.1.110mL77.1273000+××=tTppVVtV0LVtLT0273KP0101.3kPaPkPat7.27.2.1DVBAAcs××−=00)(cmg/m3A3A0Bs6.1.1µg/D7.2.2DBAAcg××−=)(0Bg6.1.2mg/m37.2.188.16950.1550.010/µg28.25%29699.1GB11742-899.2pp.967~9731997AA1A1.1[c1/6K2Cr2O7]=0.1000mol/L]1204.903g1000mLA1.2[cNa2SO30.1mol/L]25gNa2S2O35H2O0.2g1000mLA225.00mL0.1000mol/L1/6K2Cr2O7500mL2.0g20mL200g/L10min150mLA1.23mL5g/L0.2A2.221722322)6/1()(VVVOCrKcOSNac−×=cNa2S2O3mol/Lc1/6K2Cr2O7mol/LVmLV1mLV2mL4