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DETERMINATION OF SOLUBLE NITROGEN BY SPECTROPHOTOMETRY
Author(s) -
Lie S.
Publication year - 1994
Publication title -
journal of the institute of brewing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.523
H-Index - 51
eISSN - 2050-0416
pISSN - 0046-9750
DOI - 10.1002/j.2050-0416.1994.tb00829.x
Subject(s) - spectrophotometry , chromatography , chemistry , nitrogen , organic chemistry
A simple spectrophotometric method for the determination of nitrogen in unhopped wort has been tested by the EBC Analysis Committee and accepted for inclusion in Analytica‐EBC. The spectrophotometric method is intended as a quick method for routine quality control. It is emphasized that the procedure has to be followed in detail and that the precautions stated under Notes on Procedure are most important. The average precision values obtained for the range 600 to 850 mg/litre were r 95 =30 and R 95 = 104.