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[Cyanocobalamin Reference Standard (Control 891) of National Institute of Hygienic Sciences]. 1990

M Tanaka, and M Murai, and T Kimura, and S Okada

Cyanocobalamin was tested for preparation on the "Cyanocobalamin Reference Standard (Control 891)". Analytical data obtained were as follows: loss on drying, 9.77%; infrared spectrum, same as that of the Cyanocobalamin Reference Standard (Control 871); thin-layer chromatography, five contaminants were detected; high-performance liquid chromatography, nine contaminants were detected; assay, 100.00% by JP XI method and 99.79% by HPLC method in terms of the JP Reference Standard (Control 871), respectively. On the basis of the above results, this material was authorized as the Japanese Pharmacopoeia Standard (Control 891).

UI MeSH Term Description Entries
D010602 Pharmacopoeias as Topic Works about authoritative treatises on drugs and preparations, their description, formulation, analytic composition, physical constants, main chemical properties used in identification, standards for strength, purity, and dosage, chemical tests for determining identity and purity, etc. Formulary, National,National Formulary,Formularies, National,National Formularies
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D006077 Government Agencies Administrative units of government responsible for policy making and management of governmental activities. Agencies, Government,Agency, Government,Government Agency
D006920 Hygiene The science dealing with the establishment and maintenance of health in the individual and the group. It includes the conditions and practices conducive to health. (Webster, 3d ed)
D013055 Spectrophotometry, Infrared Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) IR Spectra,Infrared Spectrophotometry,IR Spectras,Spectra, IR
D014805 Vitamin B 12 A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. Cobalamin,Cyanocobalamin,Cobalamins,Eritron,Vitamin B12,B 12, Vitamin,B12, Vitamin

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