REVERSE-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY OF METAL-CHELATES OF 4-(2-PYRIDYLAZO)RESORCINOL AND 4-(2-THIAZOLYLAZO)RESORCINOL - SIMULTANEOUS DETERMINATION OF LOW CONCENTRATIONS OF CO, NI AND FE

被引：17
作者：
DOLEZAL, J
SOMMER, L
机构：
来源：
COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS | 1994年 / 59卷 / 10期
关键词：
D O I：
10.1135/cccc19942209
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The behaviour of stable and inert metal chelates of 4-(2-pyridylazo)resorcinol and 4-(2-thiazolylazo)resorcinol in RP HPLC and in its ion-pair modification (IP RP HPLC) on Separon SGX RPS silica gel was studied. Good results were obtained by the ion-pair variant in water-methanol solutions at pH 7 in the presence of cetyltrimethylammonium bromide. The technique proved to be convenient for the preconcentration, separation and quantitation of low concentrations of Fe, Co, and Ni in waters.
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页码：2209 / 2226
页数：18
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