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Spectrophotometric estimation of benzoic and sorbic acids

✍ Scribed by H. Zonneveld


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
323 KB
Volume
26
Category
Article
ISSN
0022-5142

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Determination of Benzoic and Sorbic Acid
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Benzoic and sorbic acid contents of 14 packaged commercial labaneh (concentrated set yogurt) samples were determined by HPLC method using a reverse phase C-18 column and a mobile phase of 90 : 10, phosphate buffer : methanol. There was a linear relationship between peak area versus benzoic and sorbi

Spectrophotometric flow-injection method
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A simple, rapid, and accurate spectrophotometric flow-injection method was developed for the determination of sorbic acid in wines based on the oxidation of sorbic acid with K 2 Cr 2 O 7 /H 2 SO 4 at 100ЊC, followed by reaction of the resulting malonaldehyde with thiobarbituric acid, also at 100ЊC,