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本文探讨并优化了顶空气相色谱法测定NH_3 的各项条件,并应用此法来测定食品中的蛋白质含量,测定结果与凯氏定氮法无显著性差异。
This article discusses and optimizes the conditions of headspace gas chromatography determination of NH_3, and the application of this method to determine the protein content of food, the determination results and Kjeldahl method was no significant difference.