DIN EN ISO 16634-2 E:2014-11 食品 根据杜马原则通过燃烧对总氮含量的测定和粗蛋白含量的计算 第2部分:谷物,豆类和碾磨谷物产品(草案)
Determination of total nitrogen content and calculation of crude protein content of foods by combustion according to the Duma principles Part 2: Cereals, legumes and milled cereal products (draft)