A comparison of various calibration tech
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Pilar Campíns-Falcó; Adela Sevillano-Cabeza; Luisa Gallo-Martinez; Francisco Bos
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Article
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1996
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Elsevier Science
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English
⚖ 793 KB
This report deals with spectrophotometric determination of cefoxitin from intact antibiotics or from its acid induced degradation product by means of their reaction with ninhydrin in a strong sulphmic acid medium. To obtain the calibration graphs four methods were used: absorbance of reacted cefoxit