Chinese core journals in science and technology

Chemical Abstracts Service (CAS) database

EBSCO Academic Database in the United States

Japan Science and Technology Agency Database (JST)

Journal Guide

Home   >   Journal Articles

Determination of silver in copper telluride by flame atomic absorption spectrometry

  • English Author:
  • Zijin Copper Co.,Ltd.&Fujian Key Laboratory for Green Production of Copper and Comprehensive Utilization of Associated Resources|Zijin Copper Co.,Ltd.&Fujian Key Laboratory for Green Production of Copper and Comprehensive Utilization of Associated Resources|Zijin Mining Group Co.,Ltd.
  • Unit:
  • PDF Download
  • Abstract
  • Online Preview
  • References

Abstract:

The determination of silver in copper telluride by fire assay gravimetry is lengthy in operation and time,less effective,and not applicable to the test on the samples from smelting enterprises that come in large amounts and require rapid analysis at the same time.In the test,after the sample was dissolved with hydrochloric acid and nitric acid,a method for the determination of silver in copper telluride by flame atomic absorption spectrometry was established by using air-acetylene flame and determination wavelength of 328.1 nm in 20 % hydrochloric acid medium.Under the optimal experimental conditions,there was a good linear relationship between silver concentration and its absorbance in the range of 0.30-3.00 μg/mL,and the correlation coefficient was 0.999.The detection limit of this method for silver was 0.002 μg/mL.The limit of quantification was 0.007 μg/mL.The relative standard deviation of the determination results was 0.19 %-1.0 %.The recovery of reference materials was 98 %-103 %.The results are consistent with those obtained by standard methods.There is no significant difference between the two methods.The method could be used for rapid analysis and determination of silver in copper telluride in the samples that come in large quantities from smelting enterprises.

Keywords:

copper telluride;flame atomic absorption spectrometry;silver;sample dissolution method;interference element