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A method for separate quantitative determination of 2-keto-3-deoxy-octonate and 3,6-dideoxyhexoses in mixtures

✍ Scribed by T.I. Burtseva; L.I. Glebko; Yu.S. Ovodov

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
145 KB
Volume
64
Category
Article
ISSN
0003-2697

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✦ Synopsis

A simple and rapid colorimetric method for separate quantitative analysis of KDO and 3,6-DDH in mixtures has been described. The method is based on periodate-TBA reaction with deoxy sugars before and after reduction with sodium borohydride.

The absorbance of the color material was found to be a linear function of the deoxy sugar concentration. The procedure described permits quantitation of KDO and 3,6-DDH in amounts of 1-20 and 0.1-3 /zg, respectively. Standard deviations in ten analyses of the mixture were 0.23 and 0.18 /zg for 10/zg KDO and 2 ~zg 3,6-DDH, respectively.

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