5Nabiev M N. High-performance liquid chromatography of water-soluble vitamins[J]. S T P Pharma Prat, 2000, 10(3), 145--148.
6N M Lukovskaya. Cafalysts for the chemiluminescene reaction of laphine with periodate [ J ]. Chemical Abstracts,1983, 98(22) : 190911s.
7L Ballesteros. Analytical use of the kinetics of complex formation: Simultaneous determination of iron and cabalt by differential kinetic methods[ J], Analyst, 2001,108( 1285 ) :443.
8Fumio Watanabe, Katsuo Abe, Shigeo Takenaka, et al.Method for Quanlitation of Total Vitamin B12 in Foods Using a Highly Fluorescent vitamin B12 Derivative [ J]. J Agric Food chem, 1997,45:4661--4663.
9Jansen C C, Vde Kleljn J P. The Assay of Cyanocobalamin in Pharmaceutical Preparations by Solid-Phase Extraction and HPLC [ J]. Journal of chromatographic Science, 1990,28 ( 1 ) : 42--45.
10Lambert D, Adjalla C, Felden, F, et al. Identification of vitamin B12 and analogues by high-pedormance capillary electrophoresis and comparison with high-performance liquid chromatography [ J ]. Journal of chromatography, 1992,(608) :311--315.
