我用的是安捷伦QQQ LC/MS 6460 检测豇豆上的氯虫苯甲酰胺的残留量,现在连标准曲线都做不出来,偶尔一次才达到0.998,就这一次之后 就再也没成线性。我用的是0.0050,0.010,0.020,0.040,0.050,0.060,0.080,0.090ppm。 仪器条件和流动相在下面,
各位英雄大侠 帮帮我吧!进样体积:5μl
柱温35℃
柱子型号:ZORBAX Eclipse plus C18
RapidResolution HT 3.0*100mm 1.8-Mincron 600Bar
流动相 :A:水 B:甲醇
持续时间10min 流速 :0.400ml/min
初始流动相比例:A:90.00% B:10.00%
| 时间 | 流动相比例 |
1 | 2.00min | A:60.00% B:40.00% |
2 | 3.0min | A:60.00% B:40.00% |
3 | 5.00min | A:25.00% B:75.00% |
4 | 6.00min | A:22.00% B:78.00% |
5 | 7.00min | A:2.00% B:98.00% |
6 | 8.00min | A:2.00% B:98.00% |
7 | 8.10min | A:90.00% B:10.00% |