There were already reports on using chromazol KS(CALKS) [trisodium salt of 2-(2-hydroxy-3-carboxy-5-sulphobenzolazo)-1, 8-dihydroxynaphthalene-3, 6-disulphonic acid] as a new reagent for the spectrophotometric determi...There were already reports on using chromazol KS(CALKS) [trisodium salt of 2-(2-hydroxy-3-carboxy-5-sulphobenzolazo)-1, 8-dihydroxynaphthalene-3, 6-disulphonic acid] as a new reagent for the spectrophotometric determination of aluminium. We also studied the ternary complex of aluminium(Ⅲ), iron(Ⅲ) gallium(Ⅲ) and beryllium (Ⅱ) with chromazol KS and cetylpyridinium bromide (CPB), and developed high sensitivity spectrophotometric methods for determining these elements.展开更多
文摘There were already reports on using chromazol KS(CALKS) [trisodium salt of 2-(2-hydroxy-3-carboxy-5-sulphobenzolazo)-1, 8-dihydroxynaphthalene-3, 6-disulphonic acid] as a new reagent for the spectrophotometric determination of aluminium. We also studied the ternary complex of aluminium(Ⅲ), iron(Ⅲ) gallium(Ⅲ) and beryllium (Ⅱ) with chromazol KS and cetylpyridinium bromide (CPB), and developed high sensitivity spectrophotometric methods for determining these elements.