Micro-Kjeldahl Method for Biologicals
โ Scribed by Jacobs, Morris B.
- Publisher
- Elsevier
- Year
- 1951
- Weight
- 291 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0095-9553
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
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
For the accurate measurement of cations in biological materials, destruction of organic matter is generally recommended and desirable because of interferences produced by some of the substances present (1). In this laboratory, a wet digestion procedure employing concentrated nitric and perchloric ac