光谱学与光谱分析 |
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Determination of Stability Constant of Glutamate Zinc by Indirect Determination of FAAS with ZnS |
LIU Wen-han, ZHANG Dan, LI Zu-guang, WANG Li-li |
College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China |
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Abstract Based on indirect determination of glutamic acid by flame atomic absorption spectrometry with ZnS and the complexing action mechanism, the determination of stability constant of glutamate zinc was studied. Under the selected condition of pH 9.0, the stability constant of glutamate zinc is between 3.3×1020 and 1.4×1021, the average value is βW=1.03×1021, and log βW=21.013.
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Received: 2003-09-16
Accepted: 2003-12-28
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Corresponding Authors:
LIU Wen-han
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Cite this article: |
LIU Wen-han,ZHANG Dan,LI Zu-guang, et al. Determination of Stability Constant of Glutamate Zinc by Indirect Determination of FAAS with ZnS [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 968-970.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I06/968 |
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