Chem. J. Chinese Universities ›› 1981, Vol. 2 ›› Issue (1): 43.

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METHYL THYMOL BLUE TERNARY COMPLEX SPECTROPHOTOMETRIC DETERMINATION OF MICROAMOUNT CADMIUM IN AIR

Wang Huaigong   

  1. Department of Chemistry, Lanzhou University, Lanzhou
  • Received:1980-01-11 Online:1981-01-24 Published:1981-01-24

Abstract: In this paper the condition and composition of the ternary complex for determination of cadmium with Cd-methyl thymol blue-cetyl trimethyl ammonium bromide have been put forward.This method is characterized by high sensibility and good sebectivity, and especially by stable colour with rapid reaction.We have, moreover, proposed a new method tb determine cadmium in air, without separating Cd from its accompanying elements, with ammonium fluoride and phenanthroline as masking reagents of Ni, Co, Mg cations.

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