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Spectrophotometric determination of phenolphthalein in pharmaceutical products using 3-methylbenzthiazolinone-2-hydrazone

โœ Scribed by N. Geeta; A.P. Veena; T.R. Baggi


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
346 KB
Volume
40
Category
Article
ISSN
0026-265X

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A continuous spectrophotometric method for the rapid determination of monophenolase activity of tyrosinase is described. This method is based on the coupling reaction between 3-methyl-2-benzothiazolinone hydrazone (MBTH) and the quinone products of the oxidation of various monophenols in the presenc