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Rapid coulometric method for the Kjeldahl determination of nitrogen

✍ Scribed by C.Å. Boström; A. Cedergren®; G. Johansson; I. Pettersson

Book ID
118991850
Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
404 KB
Volume
21
Category
Article
ISSN
0039-9140

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A fast and simple micro-method for total nitrogen analysis in complex fermentation media is presented. Samples containing up to 50 ug nitrogen are digested in tubes with sodium selenite (in sulphuric-phosphoric mixture) plus hydrogen peroxide during one hour at 38O'C. Ammonium liberated is measured