The modifications of the kjeldahl method for the quantitative determination of nitrogen
β Scribed by Joseph Samuel Hepburn
- Publisher
- Elsevier Science
- Year
- 1908
- Tongue
- English
- Weight
- 984 KB
- Volume
- 166
- Category
- Article
- ISSN
- 0016-0032
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The mercuric chloride, zinc chloride, cadmium bromide, and cadmium chloride 2 :I addition compounds were prepared and analyzed. The presence of the metals did not adversely affect the nitrogen results as determined by the official method.
Increased demand for determinations of nitrogen (N), and hence crude protein (CP), has led to wider use of the Dumas method in place of the traditional Kjeldahl methods. Although Kjeldahl N (KN) and Dumas N (DN) represent di β erent N fractions, published studies on infant formula, animal feed and me
The determination of nitrogen in nitro, nitroso, and azo compounds by the direct application of Kieldahl's method leads to low results, particularly when the content of nitrogen attached to oxygen exceeds lOΒ°/o 1 . Many reagents have, therefore, been suggested for reduction of these types of nitroge