scholarly journals Capillary electrophoresis applied for the determination of acidity constants and limiting electrophoretic mobilities of ionizable herbicides including glyphosate and its metabolites and for their simultaneous separation

Author(s):  
Hannes Georg Graf ◽  
Sonja Maria Biebl ◽  
Linda Müller ◽  
Christina Breitenstein ◽  
Carolin Huhn
2011 ◽  
Vol 236-238 ◽  
pp. 2725-2728 ◽  
Author(s):  
Jin Guan ◽  
Feng Yan ◽  
Shuang Shi ◽  
Yun Li

A method for the simultaneous separation and determination of vanillin ando-vanillin by capillary electrophoresis (CE) was developed. The influence of type, concentration and pH of running buffer, and applied voltage on separation was investigated. Under the condition of 50 mmol/L borax-150 mmol/L disodium hydrogen phosphate (pH 7.5) and applied voltage of 15 kV, the vanillin ando-vanillin were separated in less than 6 min. The method was validated in terms of accuracy, precision and linearity and proved to be robust. This CE method is comparable with high performance liquid chromatography (HPLC). This CE method is applicable to the quantitative analysis of Vanillin ando-vanillin in real samples, and the assay results were satisfactory


2005 ◽  
Vol 19 (5) ◽  
pp. 369-374 ◽  
Author(s):  
Cunhong Li ◽  
Jiyou Zhang ◽  
Anjia Chen ◽  
Jianping Xie ◽  
Xingguo Chen ◽  
...  

1996 ◽  
Vol 745 (1-2) ◽  
pp. 117-125 ◽  
Author(s):  
S.J. Gluck ◽  
K.P. Steele ◽  
M.H. Benkö

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