Abstract
The determination of pyridoxal in the presence of pyridoxal-5-phosphate may be1 based on the difference between the total wave-height obtained at pH about 9, where both substances give a diffusion-controlled wave and that obtained in acid media, where pyridoxal alone shows a kinetic current2. The mixture of pyridoxal and pyridoxal-5-phosphate alternatively can be converted to oximes and their four-electron waves at pH 8,5 can be resolved using derivative curves1.
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References
Manousek O., Zuman P.: J. Electroanal. Chem. 1, 324 (1959â60).
Volke J.: Z. physik. Chem. ( Leipzig) Sonderheft 1958, 268.
Manousek O., Zuman P.: This Journal, in the press.
Zuman P., Manousek O.: This Journal, 26, 2134 (1961).
Manousek O., Kuderovd Z.: Unpublished results.
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Âİ 1970 Plenum Publishing Company Ltd.
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ManouĊĦek, O., Zuman, P. (1970). Direct Polarographic Determination of Pyridoxal in the Presence of Pyridoxal-5-Phosphate. In: Zuman, P. (eds) Topics In Organic Polarography. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1812-5_8
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DOI: https://doi.org/10.1007/978-1-4684-1812-5_8
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