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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42955-2023 |
Determination of total nitrogen content in fertilizers Dumas combustion method {译} 肥料中总氮含量的测定 杜马斯燃烧法 |
China National Standards Dumas |
 English PDF |
| GB/T 41942-2022 |
Natural raw rubber and natural rubber latex - Determination of nitrogen content - Micro Dumas combustion method {译} 天然生胶和天然胶乳 氮含量的测定 微杜马斯燃烧法 |
China National Standards Dumas |
English PDF |
| GB/T 37588-2019 |
Carbon materials—Determination of nitrogen content—Dumas combustion method 炭素材料 氮含量的测定 杜马斯燃烧法 |
China National Standards Dumas |
English PDF |
| GB/T 31578-2015 |
Inspection of grain and oils—Determination of crude protein content in grain and its products—Combustion method according to the Dumas principle 粮油检验 粮食及制品中粗蛋白测定 杜马斯燃烧法 |
China National Standards Dumas |
English PDF |
| GB/T 24318-2009 |
Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content 杜马斯燃烧法测定饲料原料中总氮含量及粗蛋白质的计算 |
China National Standards Dumas |
English PDF |
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