Qingdao Zhenzheng Analytical
Instrument Co., LTD
Mobile: 15963292045
Email: qdzhenzheng@163.com
QQ: 2776447184
Add: Building 27, International Industrial Park,
Shandong University, No.669 East China Road,
High-tech Zone, Qingdao
Website: www.qdzhenzheng.com
SPME探针货号：ZZ-SPME-06-s
Analysis conditions:
Sample: Dissolve 5µg of powder into 10 ml of nitric acid aqueous solution (pH1.5) and add 50µl of solvent residue for mixing
Extraction temperature: 50 ºC; Extraction time: preheating 10 min, extraction 30 min; Mixing speed: 600 rpm Image 1.png
Desorption time: 2 min; Desorption temperature 220 ºC (inlet 220 ºC, no shunt injection)
Column: DB-624 30 m × 0.32 mm × 1 µm
Programmed temperature rise: 40 ºC for 6 min, 5 ºC/min to 100 ºC, 20 ºC/min to 220 ºC for 1 min
MS conditions: Scanning range 30-300 m/z, ion source temperature 200 ºC
线性范围、线性相关系数、重复性、最低检出限、加标回收率
残留溶剂 | 线性范围 （mg/0.1g） | 线性相关系数 （r） | RSD （%，n=5） | 检测限 （mg/0.1g） | 回收率 （%） | 药典限度 （%） |
丙酮 | 0.005-1 | 0.9942 | 5.7 | 0.0006 | 95.4 | 0.5 |
二氯甲烷 | 0.001-0.2 | 0.9988 | 15.7 | 0.0001 | 97.1 | 0.06 |
乙酸乙酯 | 0.005-1 | 0.9885 | 8.7 | 0.00005 | 109.8 | 0.5 |
苯 | 0.0002-0.02 | 0.9635 | 12.0 | 0.000006 | 117.0 | 0.0002 |
Qingdao Zhenzheng Analytical Instrument Co., LTD
Tel: 15963292045 Email: qdzhenzheng@163.com
QQ: 2776447184 Add: Building 27, Shandong University International Industrial Park, No.669 East China Road, High-tech Zone, Qingdao
Technical support:浩瀚网络 Record number:鲁ICP备14019093号-1
Web address: www.qdzhenzheng.com
