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SIMULTANEOUS DETERMINATION OF Pb,Cd,Cu and A IN SUPPLEMENTARY CALCIUM FOOD BY MICROWAVE DIGESTION AND INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY

Rong-fei Peng, Cong Huang, Yu GuiLan

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Abstract

[Objective] To develop a simultaneous determination method of Pb,Cd,Cu and As in supplementary calcium food by microwave digestion and inductively coupled plasma mass spectrometry.[Methods] After digesting by microwave digestion,samples were directly determined by inductively coupled plasma mass spectrometry.[Results] The detections of limit were at the range of 0.002-0.015mg /kg,the R.S.Ds were less than 3.3%,and recoveries were at the range of 95.6-105.The results of two references were satisfactory.[Conclusion] This method is simple,sensitive and accuracy,and can simultaneous determinate Pb,Cd,Cu and As in supplementary calcium food.

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[Objective] To develop a simultaneous determination method of Pb,Cd,Cu and As in supplementary calcium food by microwave digestion and inductively coupled plasma mass spectrometry.[Methods] After digesting by microwave digestion,samples were directly determined by inductively coupled plasma mass spectrometry.[Results] The detections of limit were at the range of 0.002-0.015mg /kg,the R.S.Ds were less than 3.3%,and recoveries were at the range of 95.6-105.The results of two references were satisfactory.[Conclusion] This method is simple,sensitive and accuracy,and can simultaneous determinate Pb,Cd,Cu and As in supplementary calcium food.

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Available abstract

[Objective] To develop a simultaneous determination method of Pb,Cd,Cu and As in supplementary calcium food by microwave digestion and inductively coupled plasma mass spectrometry.[Methods] After digesting by microwave digestion,samples were directly determined by inductively coupled plasma mass spectrometry.[Results] The detections of limit were at the range of 0.002-0.015mg /kg,the R.S.Ds were less than 3.3%,and recoveries were at the range of 95.6-105.The results of two references were satisfactory.[Conclusion] This method is simple,sensitive and accuracy,and can simultaneous determinate Pb,Cd,Cu and As in supplementary calcium food.

Key concepts: Microwave digestion, Inductively coupled plasma mass spectrometry, Chemistry, Mass spectrometry, Digestion (alchemy), Inductively coupled plasma, Detection limit, Microwave

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SIMULTANEOUS DETERMINATION OF Pb,Cd,Cu and A IN SUPPLEMENTARY CALCIUM FOOD BY MICROWAVE DIGESTION AND INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY — Research Paper | ScholarLens