钙离子干扰下锰测定分析方法探讨

:2009-06-11:(2009KYY209):(1985-),,,,:,:13911082481,:010-84915040,:010-84932378,E-mail:mengjunli2008@sina1com1()1,2,1,1(11,100012;21(),100083):,,(GB/T11906-1989)(),(),,24h,():240mg/L,,24h,:();;;:X83012:A:1002-4336(2009)03-0029-03,()ICP-AES[14],ICP-AES,,,,[56],;,,,;,[79](),(),(),,,()111111111722TB-40311112,,11211211:1100g99190%(3107gMnSO4H2O),,1000mL,,,,1100mg,25mL500mL,,,50g,:2100g19,100mL:230100g136100g,1000mL:5155g,,500mL,0110mol/L112121):0,0150,1100,1150,2100,2150mL650mL,25mL,10100mL27320098CHINASMANGANESEINDUSTRYVo11273August2009,2%3100mL,,10min,10mm525nm,,112):2100mL1750mL,0,1100,2100,3100,4100,5100,6100mL,0110mol/L,25mL,10100mL,2%3100mL,,10min,10mm525nm,2211112122),7,,22,,,[10]2,240mg/L,,240mg/L,,,,,240mg/L,,212,21211112122),,10min,10min333:,;,,,,,21212112122),3,4,6h24h4,,,,,0327424h,,,24h,31),(),240mg/L;2),(),;3),24h,():[1]1ICP-AES[J]1,2007,(3):45-461[2]GemmaA1Chope,LeonA1Terry1Useofcanonicalvariateanaly2sistodifferentiateonioncultivarsbymineralcontentasmeasuredbyICP-AES[J]1FoodChemistry,2009,115:1108-11131[3],1ICP-AES[J]1,2009,26(2):232-2341[4]GB/T11906-1989:[S]1[5]1[J]1,2007,34(6):250-2511[6]1[J]1,2007,(5):631[7],,,1[J]1,2006,26(4):74-751[8]1[J]1,1998,24(3):10-111[9],1[J]1,1994,(2):16-181[10],1[J]1,2005,(5):9-121TheDiscussionontheCalciumIonInterferenceinManganese()DeterminationandAnalysisMethodMENGJun2li1,2,ZHOUChang2bo1,PENGXiao2cheng1(11ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China;21ChinauniversityofMiningandtechnology,Beijing100083,China)Abstract:Intheelectrolysismanganesewastewater,calciumisoftencoexistedwithmanganese1Whenhighio2datepotassiumspectro2photometricmethodisusedtocarryonthedeterminationtomanganese()concentra2tion,calciumioncanbeinterferencedinthedetermination1Inordertoavoidtheinterference,thispaperdiscuss2esthedeterminationmethodofmanganese()undertheinterferenceofdifferentcalciumionconcentration1Theexperimentationresultshowsthattheinterferenceboundaryofcalciumionsconcentrationis240mg/L1Whensurpassesthisinterferenceboundary,weusethemethodoffiltrationorlayingitasidefor24h1Thedetermina2tionresulttendstobeconsistentwiththerealvalue1Keywords:Manganese();Calciumion;Interference;Determinationmethod,!:()