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As,Sb and Bi in Cu-contained Materials Determination with Fe and La Co-precipitation Separation and Inductively Coupled plasma-Atomic Emission Spectrometry

Jianjun Peng

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Abstract

The determination of As,Sb and Bi in copper-contained materials is investigated.The samples are dissolved with sulphuric acid and potassium sulphate in high temperature,As,Sb and Bi are co-precipitated by the carriers of Fe and La in ammonia solution,and separated from copper etc.As,Sb and Bi are continuously determined with Inductively Coupled Plasma-Atomic Emission Spectrometry(ICP-AES). The process is rapid and convenient,and the results are accurate.The range of 0.048%～5.65% As,0.057%～9.01% Sb and 0.022%～5.11%Bi in copper-contained materials are adequate for determination.The relative standard deviations are within3.12%～0.76%,2.11%～0.46%,5.00%～0.88%,respectively.And the recoveries with standard addition are in the range 99.80%～100.19%.The method can be applied to the normal determination for As,Sb and Bi in copper-contained materials.

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What this paper is about

The determination of As,Sb and Bi in copper-contained materials is investigated.The samples are dissolved with sulphuric acid and potassium sulphate in high temperature,As,Sb and Bi are co-precipitated by the carriers of Fe and La in ammonia solution,and separated from copper etc.As,Sb and Bi are continuously determined with Inductively Coupled Plasma-Atomic Emission Spectrometry(ICP-AES). The process is rapid and convenient,and the results are accurate.The range of 0.048%～5.65% As,0.057%～9.01% Sb and 0.022%～5.11%Bi in copper-contained materials are adequate for determination.The relative standard deviations are within3.12%～0.76%,2.11%～0.46%,5.00%～0.88%,respectively.And the recoveries with standard addition are in the range 99.80%～100.19%.The method can be applied to the normal determination for As,Sb and Bi in copper-contained materials.

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Available abstract

The determination of As,Sb and Bi in copper-contained materials is investigated.The samples are dissolved with sulphuric acid and potassium sulphate in high temperature,As,Sb and Bi are co-precipitated by the carriers of Fe and La in ammonia solution,and separated from copper etc.As,Sb and Bi are continuously determined with Inductively Coupled Plasma-Atomic Emission Spectrometry(ICP-AES). The process is rapid and convenient,and the results are accurate.The range of 0.048%～5.65% As,0.057%～9.01% Sb and 0.022%～5.11%Bi in copper-contained materials are adequate for determination.The relative standard deviations are within3.12%～0.76%,2.11%～0.46%,5.00%～0.88%,respectively.And the recoveries with standard addition are in the range 99.80%～100.19%.The method can be applied to the normal determination for As,Sb and Bi in copper-contained materials.

Key concepts: Inductively coupled plasma, Copper, Inductively coupled plasma atomic emission spectroscopy, Chemistry, Analytical Chemistry (journal), Precipitation, Inductively coupled plasma mass spectrometry, Potassium

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As,Sb and Bi in Cu-contained Materials Determination with Fe and La Co-precipitation Separation and Inductively Coupled plasma-Atomic Emission Spectrometry — Research Paper | ScholarLens