ISO 16634-2:2016
食品.根據杜馬原則通過燃燒對總氮含量的測定和粗蛋白含量的計算.第2部分:谷物,豆類和碾磨谷物產品
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