分析测试百科网

搜索

喜欢作者

微信支付微信支付
×

高分辨磁式质谱仪在环境领域的应用报告题录案例(下)

2020.5.18
头像

王辉

致力于为分析测试行业奉献终身

应用案例三:多环芳烃

仪器方法:

Injector: Split/splitless,            1 min, 320℃ , 1.5 μL
injection volume with Merlin seal
Carrier gas:                          He, 0.6 mL/min, const. flow
Column:                               TRACE ™ -50MS, 10 m x 0.1 mm x 0.1 μm
Oven Temp. Program:                   140 ℃ , 1 min
                                      10 ℃ /min to 240℃
                                      5 ℃ /min to 270℃
                                      30 ℃ /min to 280℃
                                      4 ℃ /min to 290℃
                                      30 ℃ /min to 315℃
                                      3 ℃ /min to 330℃
Transfer line                         300℃
ion source                            280℃
Ionization:                           EI, 45 eV pos.
Scan Mode:                            Multiple ion detection mode (MID)
Resolution:                           8,000, 10% valley definition
Cycle Time:                           0.8 s/scan

2017119101248529.jpg

参考文献
[Application Note: 30126] Fast GC/HRMS Quantification of 16 EC Priority PAH ComponentsKarl Speer, Technical University Dresden, Institute of Food Chemistry, Dresden, Germany, Katja Ziegenhals, Wolfgang Jira, Federal Research Centre for Nutrition and Food (BfEL), Kulmbach, Germany,
Hans-Joachim Huebschmann, Thermo Fisher Scientific, Bremen, Germany
Contents of polycyclic aromatic hydrocarbons (PAH) and phenolic substances in Frankfurter-type sausages depending on smoking conditions using glow smoke
Margarete Pöhlmann , Alexander Hitzel , Fredi Schwägele , Karl Speer , Wolfgang Jira
Polycyclic aromatic hydrocarbons (PAH) and phenolic substances in meat products smoked with different types of wood and smoking spices Alexander Hitzel , Margarete Pöhlmann , Fredi Schwägele , Karl Speer , Wolfgang Jira

应用案例四:短链氯化石蜡

2017119101525244.jpg

SCCP C 10 H 17 Cl 5 –“CP3”标准物质色谱图

2017119101731556.jpg

Sample Preparation

样品准备和标准物质由 Environment Canada, Burlington ON, Canada 提供。
1. 标准物质 SCCP C 10 H 17 Cl 5 – “CP3”
2. 混合物 SCCPs C10-13 55.5% Cl 环己烷
3. 包含 C13 内标的基质提取样品

Gas Chromatography

GC Column:Trace Gold TR-5MS
30m x 0.25mm, 0.1 µm film
GC Liner:Single taper splitless
Injector temp: 220 ℃
Splitless time:3 minutes
Transfer line:220℃
Column Flow:1 mLmin -1 , constant flow

Mass Spectrometry

Electron capture negative chemical ionisation
was used to analyse SCCPs.
EC NCI Buffer Gas:Isobutane and ammonia
Source Pressure:6x10-4 mBar
Electron engery:90 eV
Emission current:0.3 mA
Ion source temp:80-95 ℃
Scan Multiple Ion Detection (MID)

参考文献
Analysis of Short Chain Chlorinated Paraffins (SCCPs) using High Resolution Mass Spectrometry and Negative Chemical Ionization (NCI GC-HRMS)
Frank Theobald1, Heinz Mehlmann2, Dirk Krumwiede2 & Kyle D’Silva2 1. Environmental Consulting, Cologne, Germany 2. POPs Center of Excellence, Thermo Fisher Scientific,Bremen, Germany

应用案例五:荷尔蒙 类固醇及农药

●  EPA Method 1698: Steroids and Hormones in Water, Soil, Sediment,and Biosolids by HRGC/HRMS
高分辨气相色谱与高分辨磁质谱联用分析水体、土壤、沉积物及生物体中的类固醇和荷尔蒙
●  EPA Method 1699: Pesticides in Water,Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS
高分辨气相色谱与高分辨磁质谱联用分析水体、土壤、沉积物及生物体中的农药

2017119101954613.jpg

参考文献
●  EPA Method 1698: Steroids and Hormones in Water, Soil, Sediment,and Biosolids by HRGC/HRMS
●  EPA Method 1699: Pesticides in Water,Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS


互联网
仪器推荐
文章推荐