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Citation: Xie Wenbing, Yao Jinyu, Hu Qinglan. Direct Determination of Lead and Antimony in Nickel Alloy by Platform Graphite Furnace Atomic Absorption Spectrometry[J]. Chinese Journal of Applied Chemistry, ;1995, 12(4): 108-110. shu

Direct Determination of Lead and Antimony in Nickel Alloy by Platform Graphite Furnace Atomic Absorption Spectrometry

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 21 September 1994
Revised Date: 26 December 1994

The ashing temperature could be increased and some interferences from hy-drochloric acid,molybdenum and boron could be eliminated in title method by using Pd and Ni as a matrix modifier. The method can be used directly for lead and antimony analys is inhigh temperature nickel-alloy without preseparation of the matrix. The characteristic mass is 28pg and 26pg, the detection limit is 0.13μg/g and 0.23μg/g,the recovery is 94%~103% and 95%~110%,the relative standard deviation is 6.4%~7.6% and 4.7%~7.5% for lead and antimony,respectively.
- graphite furnace atomic absorption,
- nickel alloy,
- lead,
- antimony,
- matrix modifier
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