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A comparison of a persulfate digestion and the Kjeldahl procedure for determination of total nitrogen in freshwater samples

✍ Scribed by Miles M. Smart; Frederic A. Reid; John R. Jones


Book ID
119013647
Publisher
IWA Publishing
Year
1981
Tongue
English
Weight
243 KB
Volume
15
Category
Article
ISSN
0043-1354

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## Abstract A method is described for rapid, total nitrogen determinations on samples of biological materials. A modification of the indophenol blue colour reaction is used to determine ammonia released by a semi‐micro Kjeldahl digestion method which uses equipment which is cheap to construct. Usin