A new colorimetric method for the determ
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Joseph M. Kornfeld
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Article
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1978
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Elsevier Science
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English
β 470 KB
A new, sensitive calorimetric method for the estimation of 6-aminopenicillanic acid is described. The procedure is based upon formation of a 2,4-pentanedione derivative of 6-aminopenicillanic acid followed by a second reaction with p-dimethylaminobenzaldehyde (Ehrlich's reagent), resulting in a red