搜索结果: 1-2 共查到“有机化学 derivative spectrophotometry”相关记录2条 . 查询时间(0.031 秒)
The Simultaneous Determination of Quinoline Yellow (E-104) and Sunset Yellow (E-110) in Syrups and Tablets by Second Derivative Spectrophotometry
Dyes derivative spectrophotometry pharmaceutical products Sunset Yellow Quinoline Yellow
2010/4/22
A very simple spectrophotometric method using measurements at zero-crossing wavelength is described for resolving binary mixtures of the food dyes, Sunset Yellow (E-110) and Quinoline Yellow (E-104). ...
Determination of Ternary Mixtures of Vitamins (B1, B6, B12) by Zero-Crossing Derivative Spectrophotometry
Derivative spectrophotometry Vitamins B1 B6 B12
2010/4/22
A new method for determining ternary mixtures of vitamin B1, B6 and B12 using second derivative spectrophotometry is described. The procedure is accurate, nondestructive and does not require any separ...