Photometric Determination of Scandium with Chrome Azurol S Cetylpyridinium Chloride
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A new rapid and simple spectrophotometric method for the determination of scandium with chrome Azurol S cetylpyridinium chloride in ammoniacal medium was studied. This method based on the coloration of scandium-chrome azurol S-cpc ternary complex can be applied in the concentration range of 0- 12ug/25m1 of Sc203. It showed an absorption maximum at 530nm in a pH range ≥10 aad its apparent molar absorptivity is 5.7 × 104. The PMBP extraction was used to separate most accompanying elements, and the interference of the resi- dual ions were eliminataed by adding suitable masking agents.
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邓维群, 1982. 铬天青S—氯化十六烷基吡啶比色法测定钪[J]. 岩石矿物学杂志, 1(2):0. , 1982. Photometric Determination of Scandium with Chrome Azurol S Cetylpyridinium Chloride[J]. Acta Petrologica et Mineralogica, 1(2): 0.