BS EN ISO 16634-2:2016
食物產品 根據杜馬斯原理燃燒測定總氮含量并計算粗蛋白含量 谷物、豆類和磨碎的谷物產品
Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Cereals, pulses and milled cereal products