分光光度法测定水中微量汞王文忠

2002,11,5(,030200、。B,532nm。。0.16mL,8.76xlu(mol·cm),99%102%。,。,,。、、、。。〔`〕,,,,。,wTeen80,B,,。,,,。11.1:UT1221,;:1.ommL。161.82mg100mL,0.lmL,;:2.0m0FL;B:l.oxlo’moFL;wTeen80:10L;;。1.2,100mL、60mL、40mL36%()、0.3mL,,,309,,,,,25℃48h,,,,,3738℃,。1.357~,0.19,。1.450mL150mL,1moFLpH1,100L,5mL,orL,2mUmin,3.0m0FL,6m0FL3,pH=34,25mL。2.0mL1.0moFL、4.0mL2.0mol/L,,3.0mLwTeen80、3.0mLB,,,15min。1em,532nm,。22.1500550nmB,,1。1,532nm,532nm。510520530540550/n1:20020524:2.74,6,1。I7Q,0102040006OJ,I0102040002.2,3.06.0mL、B1.04.0mL,。,4.0mL,B3.0moL2.325℃,10min,lh,22℃,15min。2.4,,,TWeen802.04.0mL,,een80,3.0mL。2.5,。,pH13,bP,+、CdZ,3moFL,3.0mL6moFL3。2,6,。,00.16m『L。A=0.057c0.048,r0.9960。///RSD////////////mmmmmg·L111%%%mg·Llllmg·Llll%%%0.016663.51110.1110.1022210222111#0.029992.74440.1110.115559999#2220.041111.52220lll0.1288899993330.1110.14222101112.8,GB575085(),2,2,。2l#2#3#/mg·L`1/mg·L’3,,、,,,。1《》..:,1989.168DETERMINATIONOFTHETRACEMERCURYINWATERBYSPECTROPHOTOMETRYWangWenzhong(GujiaoWaterSuPplyandSewuPiirfeationCompany,XihsanCoalandEleeitreityGorup,Gujiao0302X(),China)ABSTRACTAfterhteeehmentOfhteactremereuryinwateron*hesuydryleotlon,theactremecruinwaterwasdete-rintnedbysctr0I〕hotomet.AnionassociateeomplexwasfomredamongHg,,BrandhtodamineBwiamaximum50tionat5nm.Beer`。lawwasobeydein*ran。0.16mL,emolar。tionco`eientwass.76x。,u(mol·。m),。ereov-ewas99%102%.Themehtod1551le,riaPdandwithaceurateersult·KEY、v0RDSmeouw,sulhfydyrleoottn,setorphotome,、—,,。,、,95%,、、、、、、。、、。220V、25W,、、、。、、,“”。(),“”。、、、、5,、20,、、、、666、DDT、、、、,,。()