Experimental study demonstrates rapid capillary zone electrophoretic separation of boron isotopes, indicating efficient analytical quantification of boric acid.
Fast isotopic separation of 10 B and 11 B boric acid by CZE was demonstrated. The BGE contained 25 mM phenylalanine and 5 mM putrescine (рН 8.95). The running conditions were +25 kV at 20°C with indirect photometric detection at 210 nm. Baseline separation was achieved in less than 9 min. RSD of migration times and corrected peak areas were less than 0.5 and 3%, respectively ( n = 5). Linearity was demonstrated in the range 0.2–2 mM for 11 B and 0.2–0.5 mM for 10 B.
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Kamencev et al. (2016) studied this question.
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