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
SPMEProbe item number:ZZ-SPME-06-z
Analysis condition:
Sample: 2 g sturgeon meat in 20 ml headspace bottle
Extraction temperature: 40 ºC; Extraction time: 60 min
Desorption time: 2 min; Desorption temperature: 250 ºC
Sample inlet: GC
Injection method: CTC PAL ALS automatic injector
Inlet: 250 ºC without shunt, purge flow at shunt outlet: 60 mL/min starting at 2 min
Column: DB-5ms: 30 m × 250 μm × 0.25 μm
Programmed heating: Initial temperature 30 ºC for 2 min, 10 ºC/min up to 250 ºC for 30 min
Acquisition mode: Full scan, scanning range: 35-400 m/z
Ion source: 230 ºC, MS quadrupole: 150 ºC
Determination of substance in Sturgeon meat by SPME-GC/MS total ion flow chromatogram
Test results:
A total of 17 organic compounds were detected, including 1 alkane and 16 aromatic hydrocarbons, their respective contents are shown in Table 1 below. The test results show that compound No. 9 has the highest naphthalene content, accounting for 43.295% of the total.
SPME-GC-MS检测结果
序号 | 化合物 | 保留时间 | 峰面积百分比总量(%) |
1 | Toluene(甲苯) | 4.748 | 16.112 |
2 | 4-ethyl-1,2-dimethyl-Benzene(4-乙基-1,2-二甲基苯) | 10.466 | 0.793 |
3 | Undecane(十一烷) | 10.666 | 3.101 |
4 | 4-ethyl-1,2-dimethyl-Benzene(4-乙基-1,2-二甲基苯) | 10.775 | 0.583 |
5 | 1,2,4,5-tetramethyl-Benzene (1,2,4,5-四甲苯) | 10.983 | 1.258 |
6 | 1,2,3,4-tetramethyl-Benzene(1,2,3,4-四甲基苯) | 11.038 | 1.844 |
7 | 1-methyl-4-(2-propenyl)-Benzene(1-甲基-4-(2-丙烯基) - 苯) | 11.372 | 1.080 |
8 | 1-methyl-3-(1-methylethyl)-Benzene(1-甲基-3-(1-甲基乙基) - 苯) | 11.535 | 7.797 |
9 | Naphthalene(萘) | 12.145 | 43.295 |
10 | 1-ethyl-2,4,5-trimethyl-Benzene(1-乙基-2,4,5-三甲基苯) | 12.211 | 3.663 |
11 | Benzene, 1-ethyl-2,4,5-trimethyl- (五甲苯) | 12.377 | 1.425 |
12 | 1,3-dimethyl-5-(1-methylethyl)-Benzene(1,3-二甲基-5-(1-甲基乙基) - 苯) | 12.772 | 1.157 |
13 | 2,3-dihydro-4,7-dimethyl-1H-Indene(2,3-二氢-4,7-二甲基-1H-茚) | 13.035 | 1.341 |
14 | B 2-ethenyl-1,3,5-trimethyl-enzene(B 2乙烯基1,3,5-三甲苯) | 13.307 | 0.471 |
15 | pentamethyl-Benzene(五甲苯) | 13.451 | 2.220 |
16 | 1-methyl-Naphthalene(1-甲基萘) | 13.768 | 9.126 |
17 | 1-methyl-Naphthalene(1-甲基萘) | 13.990 | 4.735 |
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