Determination of Doxycycline, Tetracycline and Oxytetracycline Simultaneously by Tlc-Fluorescence Scanning Densitometry
β Scribed by Xie, Hong-zhi; Dong, Chuan; Fen, Yu-lin; Liu, Chang-song
- Book ID
- 120526377
- Publisher
- Taylor and Francis Group
- Year
- 1997
- Tongue
- English
- Weight
- 367 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0003-2719
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π SIMILAR VOLUMES
v/v) and a silica gel plate, previously treated with 0.27 mol liter 01 sodium edetate solution adjusted to pH 7.0. Their R f values are 0.30, 0.42, and 0.54, respectively. The excitation wavelength is 278 nm. The linear ranges are 0-75 ng. The relative standard deviations are Γ΅8.6%. The Recovery of
## Abstract Improved methods for separation and quantitative determination of hydrocarbon types from gas oil have been developed, which were based on highβperformance thinβlayer chromatography with ultraviolet and fluorescence scanning densitometry using horizontal elution. One of the methods allow