Sensitive Extractive Spectrophotometric Methods for Determination of Trovafloxacin Mesylate Using Bromothymol Blue and Eriochrome Black-T
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Extraction of Traces of Copper as Tetra-Butylammonium Tetrathiocyanato Copper (II) and Its Spectrophotometric Determination Using Eriochrome Black T
An extraction-spectrophotometric method for the determination of traces of copper (II) is described. The method is based on the quantitative extraction of copper as tetrabutylammonium tetrathiocyanato copper (II) into methyl isobutyl ketone, followed by spectrophotometric determination, using eriochrome black T as a metallochromic indicator. The red-violet mixed complex of copper absorbs at...
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Kinetic Spectrophotometric Method for Determination of S032- Using Methylen blue
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متن کاملBromothymol blue and carbohydrate-sensitive plating media.
A new plating medium using bromothymol blue (BTB) indicator is described and compared with eosin-methylene blue (EMB), MacConkey, and Endo media. These media were tested with L-arabinose by plating fermenting and nonfermenting mutant strains of Escherichia coli. The minimum concentrations of L-arabinose that permitted differentiation of these strains were determined. Different concentrations we...
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ژورنال
عنوان ژورنال: Asian Journal of Chemistry
سال: 2014
ISSN: 0970-7077,0975-427X
DOI: 10.14233/ajchem.2014.18758