Composition of 2-(3,5-dibromo-2-pyridylazo) diethylaminophenol chelates by liquid chromatography |
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| Authors: | Y Zhao |
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| Institution: | (1) Department of Environmental Engineering, North China Institute of Electric Power, Baoding, Hebei, People's Republic of China |
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| Abstract: | Summary The composition of 3,5-diBr-PADAP metal chelates was determined by liquid chromatography employing appropriate eluents and non-polar bonded stationary phase. The metal-to-ligand ratios were 1 2, 12 and 12 for Cu(II), Co(III) and Cr(III) respectively, and the V(V)-to-ligand ratio found to be 111 in V(V)-3,5-diBr-PADAP-H2O2 in the presence of H2O2. The results are in agreement with literature data. |
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| Keywords: | Column liquid chromatography Composition of chelates 3 5-diBr-PADAP |
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