A recently developed procedure for the determination of choline in ingredients and feeds was utilised to establish the levels and the variability of choline in a series of ingredients and to compare the analysed and calculated choline values of mixed feeds. The concentrations of choline in samples o
The determination of nitrofurazone in mixed feeds
โ Scribed by Jean E. Dixon
- Publisher
- John Wiley and Sons
- Year
- 1955
- Tongue
- English
- Weight
- 367 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0022-5142
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โฆ Synopsis
Abstract
A method is described for the determination of nitrofurazone in mixed poultry feeds. Separation from interfering material is effected chromatographically, followed by absorptiometric measurement of the nitrofurazone. Recovery of known amounts of nitrofurazone is from 97 to 102%.
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## Abstract This work demonstrates the potential of HPCE in the analysis of antibiotics in a complex matrix such as feedstuffs. Using 20โmM citric acidโ40โmM Na~2~HPO~4~ buffer (pH 2.65), the five antibiotics, tetracycline, oxytetracycline, doxycycline, tilmicosin, and tylosin were successfully sep