氮 气
Danqi
Nitrogen
含二氧化碳不得过 0.03%。
含一氧化碳不得过 0.0005%。
浩瀚色谱（山东）应用技术开发有限公司，研发气相色谱法测定药典氮气中微量的一氧化碳和二氧化碳的含量，面积外标法定量，结果满意。
Nitrogen
Danqi
Nitrogen
The carbon dioxide content shall not exceed 0.03%.
The content of carbon monoxide shall not exceed 0.0005%.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has developed a gas chromatography method for the determination of trace amounts of carbon monoxide and carbon dioxide in the nitrogen gas of the Pharmacopoeia. The area external standard method has been used for quantification with satisfactory results.
滕州市浩瀚色谱仪器技术服务有限公司
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