Citation: Hong Wen GAO, Lei WANG, Hao YE. Spectrophotometric Investigation of Cadmium Complex Solution with m-Bromobenzenediazoaminoazobenzene[J]. Chinese Chemical Letters, ;1999, 10(11): 957-960. shu

Spectrophotometric Investigation of Cadmium Complex Solution with m-Bromobenzenediazoaminoazobenzene

1.
School of Chemistry and Chemical Engineering Anhui University Hefei 230039;
2.
Department of Chemistry Huaibei Coal Teachers College Huaibei 235000

Received Date: 4 May 1999

The synthesis of a new ligand, m-bromobenzenediazoaminoazobenzene (m-BBDA) was carried out.The reaction between m-BBDA and cadmium(Ⅱ) was sensitive at pH over 12 and in the presence of emulsifier OP.Because of the high interference of excess of ligand β-correction theory was applied instead of the single wavelength method. This study gave the simple determination of the complex ratio, real molar absorptivity(ε)and step or cumulative stability constant (K).
- Beta-correction principle,
- cadmium complex,
- m-bromobenzenediazoaminoazobenzene
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