Comparison of standard-Kjeldahl and micro-Kjeldahl for nitrogen determination in bovine serum albumin

Bovine serum albumin is a protein that is applied in many biochemical and medical applications. A simple and fast procedure for nitrogen determination in bovine serum albumin, according to AOAC 960.52.
For the nitrogen determination according to Kjeldahl the samples are digested using the SpeedDigester K-436 followed by stem distillation using KjelFlex K-360 and titration
The nitrogen content in bovine serum albumin was determined by the standard – and micro-Kjeldahl methods and compared.
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