B. Yeung et al., DERIVATIZATION OF VITAMIN-D METABOLITES FOR ANALYSIS BY CAPILLARY HPLC TANDEM MASS-SPECTROMETRY, American laboratory, 26(11), 1994, pp. 12
A tandem MS-MS technique is described for the analysis of vitamin D me
tabolites which employs on-line capillary HPLC with a simple pre colum
n derivatization step.