Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Oilseeds and animal feeding stuffs— 40 стр.
Accuracy (trueness and precision) of measurement methods and results. Part 2. Basic method for the determination of repeatability and reproducibility of a standard measurement method -- Technical Corrigendum 1— 2 стр.
Animal feeding stuffs -- Determination of nitrogen content and calculation of crude protein content -- Part 2: Block digestion and team distillation method— 20 стр.