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2009-08-191981-2007、。1002-1124200910-0017-03Sum169No.10ChemicalEngineer200910、。0.01%。。。Cu、NiNa2S、。《》[1]5。、、。。、ICP-AES。、、。11.1VISTA-MPXICP-AESCCD175～850nmSturman-MastersV-groove。ICP-AES40.68MHz1.10kW6s15L·min-10.50L·min-11.5L·min-115r·min-17mmCu224.700nm。1.21.2.1ICP-AESCu1000μg·mL-1HNO3Cu0.00、10.00、50、100μg·mL-12%HNO3V/V。1.2.2Na2S2O30.2mol·L-1Na2S2O3·5H2O52.0g1000mL10min。K2Cr2O4。0.02mol·L-1。0.3g120℃K2Cr2O4518049ICP-AES、、。ICP-AES0657.31ADeterminationofthecopperinindustrialsludgeHUANGWen-fangLIUTaoPENGYi-huaZHANGYou-zhen(ShenzhenHazardousWasteTreatmentStation,Shenzhen518049China)Abstract:TheICP-AESandfastiodimetrywereintroducedtoanalyzethecopperintheindustrysludge.Af－terthecomparisonbetweentheanalysesresultsandthestandardrecoverytest,thetwomethodsindicatedsimpleandfastandgoodprecisionandhighorderofaccuracy.Keywords:ICP-AESfastiodimetryindustrialsludgecopper0.0001g。25mL3gKI20mLH2SO420%10min。150mLNa2S2O30.2mol·L-1。3mL10g·L-1。V1,V0。CNa2S2O3=mV1-V0×0.049031.2.3H2SO4、HNO3、HCl、、、KI、10g·L-1(2)。1.31.3.150%～85%50～100kg1t·-1。50t。18mm。2kg。1.3.21kg500g。[2]110±5℃。、、、100g0.125mm2。1.41.4.1ICP-AES0.5g0.0001g250mL15mL10mLHNO33mL5mL40mL。250mL。。10.00100mLHNO32mL。ICP-AES。0.05%～50.00%。1.4.20.2g0.0001g250mLH2SO41+15mLHNO315mLSO350mL0.3g2～3min50mL1+11～2gKI2gNa2S2O32.5mL0.5g。0.05%～50.00%。Cu%=CNa2S2O3×V×0.06355m×100%22.1ICPICP。ICP、、、。0.5g250mL5200mg·L-12%ICP。ICPICPICPICP。。。ICP。Na、K、Ca18200910200mg·L-11000mg·L-1。ICP。2.2KICuIICuII2Na2S2O32Cu2++4I-→Cu2I2↓+I2I2+2Na2S2O3→2NaI+Na2S4O6FeCl3、AlCl3、NaOHFe3+KII2。pH3.0～4.0。pH2I-I2。2Fe3++2I-→2Fe3++I2↓CuII2KSCNCuII2CuSCN。CuI+SCN-→CuSCN+I-CuII2Na2S2O3。KSCNSCN-I2。6Cu2++7SCN-+4H2O→3Cu2(SCN)2+SO42-+CN-+8H+2.31.4.11.4.26ICP-AES6RSD1.15%0.59%。。C090243ICP-AESICP-AES101.6%100.5%101.1％98.03％,。1。1Tab.1ComparisonofsamplerecoveryoftwomethodsC090243。2.4。%=1-%×%。2。2Tab.2ComparisonofresultsanalysisoftwomethodstICP-AES。3。、、。。。。1.M.1987.385-388.2.M.1991.409.ICP-AESICP-AES/g0.15160.15630.50590.5018/％3.533.643.613.75/mg7.167.169.559.55/％8.308.135.535.66/%101.1098.03101.6100.520091019C090215C090230C090216C090243C090444C090549C090553C090601/%74.1676.8876.2976.1876.5974.8671.2773.31ICP-AES8.7532.1612.0015.4515.5020.1716.5350.498.8132.3112.2315.4215.3020.0816.3650.08ICP-AES2.267.442.843.683.635.074.7513.482.287.472.903.673585.054.7013.37Cu()/%Cu()/%