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2006•Journal of Zhengzhou UniversityRequires access

Shading Effect of the N-allyl-N′-(sodium-p-benzenesulfonate)thiourea in the Identification of Lead

Guo Peng, Xinkun Wang

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Abstract

As Ag~+ and Hg~(2+)_2 interfere with Pb~(2+) during the qualitative analysis by traditional method,a new method which can eliminate the interference of Ag~+ and Hg~(2+)_2 with the N-allyl-N′-(sodium-p-benzenesulfonate)thiourea in the Pb~(2+) qualitative identification has been studied.The result indicates that comparing with the traditional method using deposition reaction to eliminate the interference of Ag~+ and Hg~(2+)_2,the new method is convenient,and doesn't lead to the loss of Pb~(2+).The shading effect is remarkable.

About this research paper

What this paper is about

As Ag~+ and Hg~(2+)_2 interfere with Pb~(2+) during the qualitative analysis by traditional method,a new method which can eliminate the interference of Ag~+ and Hg~(2+)_2 with the N-allyl-N′-(sodium-p-benzenesulfonate)thiourea in the Pb~(2+) qualitative identification has been studied.The result indicates that comparing with the traditional method using deposition reaction to eliminate the interference of Ag~+ and Hg~(2+)_2,the new method is convenient,and doesn't lead to the loss of Pb~(2+).The shading effect is remarkable.

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Available abstract

As Ag~+ and Hg~(2+)_2 interfere with Pb~(2+) during the qualitative analysis by traditional method,a new method which can eliminate the interference of Ag~+ and Hg~(2+)_2 with the N-allyl-N′-(sodium-p-benzenesulfonate)thiourea in the Pb~(2+) qualitative identification has been studied.The result indicates that comparing with the traditional method using deposition reaction to eliminate the interference of Ag~+ and Hg~(2+)_2,the new method is convenient,and doesn't lead to the loss of Pb~(2+).The shading effect is remarkable.

Key concepts: Thiourea, Interference (communication), Chemistry, Shading, Sodium, Qualitative analysis, Identification (biology), Deposition (geology)

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Shading Effect of the N-allyl-N′-(sodium-p-benzenesulfonate)thiourea in the Identification of Lead — Research Paper | ScholarLens