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Koivusalmi, E., Tulisalo, J. Determination of highly polar compounds in reaction mixtures of 2,2-bis(hydroxymethyl)propionic acid and 3-hydroxy-2,2-bis(hydroxymethyl)propionic acid by HPLC[J]. Journal of Liquid Chromatography and Related Technologies.2001, 24(2):187-200.


Koivusalmi E., Haatainen E., Nikkila K.. RP-HPLC analysis of the compounds in the synthesis mixtures of  2,2- dimethyl -3- hydroxypropionaldehyde by two methods combined to one instrument by a column switching technique [J]. Journal of Liquid Chromatography and Related Technologies.2000, 23(16):2447-2458

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