气相色谱-质谱法测定葡萄酒中邻苯二甲酸 二丁酯含量的不确定度评定

Uncertainty evaluation of the determination of bis-butyl ester in wine by gas chromatography-mass spectroscopy

中文关键词:  邻苯二甲酸酯  不确定度  气相色谱-质谱法  葡萄酒

英文关键词:phthalic acid esters  bis-butyl ester  uncertainty  gas chromatography-mass spectroscopy  wine

中文摘要:

      目的 对气相色谱-质谱法测定葡萄酒中邻苯二甲酸二丁酯(DBP)的方法进行不确定度分析。方法 依据GB/T 21911-2008《食品中邻苯二甲酸酯的测定》, 采用气相色谱-质谱法测定葡萄酒中的邻苯二甲酸二丁酯类增塑剂。参照JJF1059-1999《测量不确定度的评定与表示》, 对整个过程中不确定度的来源进行了分析。 结果 气相色谱-质谱法测定葡萄酒中DBP过程中的扩展不确定为0.01135 mg/kg。结论 本方法适用于气相色谱法测定葡萄酒中邻苯二甲酸二丁酯的不确定度评定。

英文摘要:

      Objective Uncertainty of bis-butyl ester (DBP) in measurement by gas chromatography-mass spectrometry (GC/MS) was analyzed. Methods Phthalate esters in wine were determined by GC/MS according to GB/T 21911-2008 “Determination of Phthalate Esters in Foods”. According to JJF 1059-1999 “Evaluation and Expression of Uncertainty in Measurement”, the source of uncertainty in the whole process of measurement was analyzed. Results The results showed that the expanded uncertainty was 0.01135 mg/kg. Conclusion This method was applicable to the uncertainty evaluation of GC-MS determination of bis-butyl ester in wine.