技术

制备液化气二甲醚色谱分析柱方法

色谱分析条件

色谱柱：￠3mm＊6 m不锈钢柱        桥  流：100mA

柱  温：室温-45℃               载  气：氢气

检  测: 100℃                   流  速：30 ml/min(0.08MP)

气  化: 100℃                   进样量：1ml(注射器进样)

检测器：TCD

分析谱图：(液化气加二甲醚)

峰号     峰名      保留时间     峰高           峰面积          含量       

1   空气+甲烷      1.282       234668.750     1175885.250     36.3242    

2    乙烷+乙烯      1.693       7564.802       48259.895       1.4908     

3    丙烷+丙烯      2.570       36463.773      360678.625      11.1417    

4     二甲醚         3.227       55590.910      719608.125      22.2294    

5     异丁烷         4.087       27451.688      421956.219      13.0346    

6     正异丁烯       5.035       5039.755       75082.484       2.3194     

7     正丁烷         5.490       14166.147      246433.359      7.6126     

8     反丁烯-2       6.078       4123.336       73754.680       2.2783     

9      顺丁烯-2       6.658       2414.356       47309.918       1.4614     

10     甲醇           7.532       338.524        11687.250       0.3610     

11     异戊烷        10.793       1441.571       39510.918       1.2205     

12    正戊烷          13.707       594.716           17031.439           0.5261                

注意：此柱最高使用温度80℃，有标记接汽化室