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Capillary isotachophoresis with conductivity detector working in a column-switching mode was applied for the determination of vitamins B1 and B6 in beer samples. Optimized ITP electrolyte system composed of 10mM sodium acetate adjusted to pH=5.0 with acetic acid and with 1% hydroxyethylcelulose as the leading electrolyte, and 10mM aminocaproic acid (pH=6.0) as the terminating electrolyte, was selected...
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