气相色谱外标法测定低浓度汽油抗爆剂MMT的含量  

GC with External Standard Method Determination of Low Concentration MMT Used for Gasoline Anti-Detonator

作　　者：林春花[1] 刘德永[1] 许招会[1] 廖维林[1] 

机构地区：[1]江西师范大学化工研究开发中心,江西南昌330027

出　　处：《江西师范大学学报（自然科学版）》2014年第3期308-310,共3页Journal of Jiangxi Normal University(Natural Science Edition)

基　　金：江西科技国际合作课题(kj082563);江西省研究生创新专项基金(YC10A051)资助项目

摘　　要：建立气相色谱外标法测定低浓度汽油抗爆剂甲基环戊二烯三羰基锰（ MMT）的含量.采用OV-101毛细管柱（30 m x0.25 mm，0.25μm）；载气：氮气；FID检测器；检测器温度350℃，进样口温度250℃，分流比50：1，程序升温.采用外标法测定低浓度汽油抗爆剂MMT的含量，在1.029-40.192 mg·mL-1范围内，浓度与峰面积呈良好的线性关系（ r=0.99944），平均回收率为99.78%，检出限为0.001 mg· mL-1，相对标准偏差小于2.0%.所建立的外标法简便可行、重现性好，可用于低质量浓度MMT含量的测定，能满足科学研究和工业生产的需要.To establish HPLC with external standard method for determination of low concentration MMT used for anti-detonator. OV-101（30 mx 0. 25 mm,0. 25 μm）capillary column was used with nitrogen as carrier gas and FID as detector. The column temperature rise programming with split ratio of 50： 1. The detector temperature was 350 ℃,and the sample injection temperature was 250 ℃. The linear range method was 1. 029-40. 192 mg·mL-1 （r=0. 999 44）,which showed good linearity,and the average recovery was 99. 78% with the relative standard de-viation（RSD）lower than 2. 0%. This method is convenient,reliable and reproducible so that it can be used to de-termine the low concentration MMT and to meet the needs of scientific research and industrial production.

关 键 词：气相色谱 外标法 汽油抗爆剂 含量测定 

分 类 号：TE626[石油与天然气工程—油气加工工程]