萃取法测定车用M15甲醇汽油中甲醇含量不确定度评估  

Uncertainty Evaluation of Methanol Content in M15 Methanol Gasoline for Automotive Use by Extraction Method

作　　者：吴云龙 Wu Yunlong(Shanxi Inspection and Testing Center(Shanxi Institute of Standard Metrology Technology),Taiyuan Shanxi 030006,China)

机构地区：[1]山西省检验检测中心(山西省标准计量技术研究院),山西太原030006

出　　处：《山西化工》2024年第12期73-75,共3页Shanxi Chemical Industry

摘　　要：使用蒸馏水萃取法与气相色谱分析技术结合,分析测试M15车用甲醇汽油中的甲醇含量,通过分析并评定测量过程中不确定度影响因素,结果表明,M15车用汽油甲醇体积分数14.97%时,扩展不确定度为0.064%(k=2)。The combination of distilled water extraction method and gas chromatography analysis technology was used to analyze and test the methanol content in M15 automotive methanol gasoline.By analyzing and evaluating the factors affecting the uncertainty during the measurement process,the results showed that when the methanol content in M15 automotive gasoline was 14.97%,the expanded uncertainty was 0.064%(k=2).

关 键 词：萃取法 气相色谱法 不确定度 

分 类 号：O657[理学—分析化学] TQ517.4[理学—化学]