[Studies on the stability of vitamin D2 powder preparations. II. Relationship between surface acidity of excipients and isomerization of vitamin D2. (2)].
D000143:Acids; D002626:Chemistry, Pharmaceutical; D002845:Chromatography; D004355:Drug Stability; D004872:Ergocalciferols; D006813:Humidity; D006863:Hydrogen-Ion Concentration; D010592:Pharmaceutic Aids; D011208:Powders; D014466:Ultraviolet Rays
D000143:Acids; D004872:Ergocalciferols; D010592:Pharmaceutic Aids; D011208:Powders