Food products -- Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content -- Part 2: Cereals, pulses and milled cereal products— 32 стр.
Animal feeding stuffs -- Determination of nitrogen content and calculation of crude protein content -- Part 2: Block digestion and team distillation method— 20 стр.
Animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content. Block digestion and steam distillation method— 22 стр.
Accuracy (trueness and precision) of measurement methods and results. Basic methods for the determination of repeatability and reproducibility of a standard measurement method— 62 стр.
