2009•Yunnan MetallurgyRequires access

Determination of Pb,Fe,As,Hg in Industrial Sulfuric Acid by ICP-AES

Dai Xing-long

Abstract

The conditions of direct determination of impurities in sulfuric acid by ICP-AES were studied.Experiments showed this method is quick,accurate and has high sensibility and high precision.The standard addition recovery was 95%to 105%while using ICP-AES to determine Pb,Fe,As,Hg in industrial sulfuric acid samples.The RSD(n=11) of eleven determinations was less than 2.5%.

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Key concepts: Sulfuric acid, Inductively coupled plasma atomic emission spectroscopy, Impurity, Chemistry, Analytical Chemistry (journal), Inductively coupled plasma, Inorganic chemistry, Environmental chemistry