Acta Chimica Sinica ›› 1990, Vol. 48 ›› Issue (2): 132-137. Previous Articles     Next Articles

Original Articles

不对称变色酸双偶氮衍生物与某些非稀土元素的显色反应及其应用研究 Ⅲ:偶氮氯膦-pN与铋(Ⅲ)的β型反应的研究

马冲先;吴诚   

  1. 机械电子工业部上海材料研究所
  • 发布日期:1990-02-15

Study on the colour reactions between asymmetric bis-arylazo derivatives of chromotropic acid and some non-rare-earth elements and their analytical applications: III, study on the -type reaction between bismuth (III) and chlorophosphonazo-pN

MA CHONGXIAN;WU CHENG   

  • Published:1990-02-15

The b-type reaction between Bi3+ and some unsym. bis(arylazo) derivatives of chromatotropic acid is described. The relationship between the mol. structure of reagents and reaction conditions were studied. The b-type reaction behavior between Bi3+ and chlorphosphonazo-pN was studied. In strong HClO4 medium Bi3+ reacts with the reagent to form a sensitive and stable b-type complex with lmax = 713 nm, e = 9.84 ?104L mol-1 cm-1. The effect of acidity, reagent concns., added organic solvents or surfactants, temperature, and time on the color reaction were examined The composition of a- and b-type complex were determine The factors affecting transforming between the 2 complexes were studied.

Key words: MOLECULAR STRUCTURE, COLOR REACTION, PERCHLORIC ACID, STRUCTURE AND PROPERTY CORRELATION, BISMUTH, AZO COMPOUNDS, CHLOROPHOSPHONAZO, NON-RARE EARTH ELEMENTS, ASYMMETRY, CHROMOTROPIC ACID

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