Determination of Cd,Pb and Sr by Microwave Plasma Torch Atomic Emision Spectrometry Using an Electrothermal Vaporization Sample Introduction System

Chemical Research in Chinese Universities ›› 1998, Vol. 14 ›› Issue (4): 370-374.

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Determination of Cd,Pb and Sr by Microwave Plasma Torch Atomic Emision Spectrometry Using an Electrothermal Vaporization Sample Introduction System

ZHAO Li-wei¹, ZHANG Han-qi¹, CAO Yan-bo¹, YANG Wen-jun¹, JIN Qun¹, JIN Qin-han¹, FU Yao²

1. Department of Chemistry, Jilin University, Changchun 130023;
2. Foundational Department, Jilin Architecture and Engineering College, Changchun 130021

Received:1998-05-15 Online:1998-12-24 Published:2011-08-17

Abstract

Abstract: A method for the determination of Cd,Pb and Sr by microwave plasma torch(MPT)atomic emission spectrometry(AES)was developed.The samples were introduced into the MPT with an electrothermal vaporization(ETV)device.The effects of some experimental conditions on the determination of Cd,Pb and Sr were examined.The effects of easilyionized elements on the emission intensity of Cd,Pb and Sr were studied in detail.The detection limits for Cd,Pb and Sr are 2.4,4.0 and 1.3 ng/mL,respectively.

Key words: Atomic emission spectrometry, Microwave plasma torch, Electrothermal vaporization

ZHAO Li-wei, ZHANG Han-qi, CAO Yan-bo, YANG Wen-jun, JIN Qun, JIN Qin-han, FU Yao. Determination of Cd,Pb and Sr by Microwave Plasma Torch Atomic Emision Spectrometry Using an Electrothermal Vaporization Sample Introduction System[J]. Chemical Research in Chinese Universities, 1998, 14(4): 370-374.

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Determination of Cd,Pb and Sr by Microwave Plasma Torch Atomic Emision Spectrometry Using an Electrothermal Vaporization Sample Introduction System

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