TF-SPME可以对环境样品进行快速现场采样,并且避免在收集、运输和储存过程中分析物的损失和降解。除了使用台式GC-MS分析外,通常还可以使用便携式GC-MS进行分析。TF-SPME 已成功用作被动采样器,用于不同水系统中的现场水质测试,以确定多环芳烃(Bragg 等人,2006;Qin 等人,2008)和工业影响水,以确定甲苯等污染物、乙苯...
TF-SPMESequential-Stir Bar Sorptive Extraction (Seq-SBSE) was investigated as a technique for the extraction and concentration of volatiles in beer prior to gas chromatography-time-of-flight mass spectrometry (GC-TOFMS) analysis for standard solutions prepared in an imitation beer solvent. Twenty-...
RT-15130 GC x GC Selectivity Kit RT-9219425 Pinnacle II PAH 4um 228-25240 DESIGNING FOR FLEXCOUPLING 1002-11305 PORAPAK Q 50/80 206-41216-01 STIRRER ROD ASSY 228-20760-92 COLUMN,PA-CM 20X100 1010-61664 INERTCAP 1701MS 0.25MM X 60M DF=0.5 206-96708 INST.MANU.,AIU-1(ENG) 5020-8900...
aThe application of thin-film SPME (thin-film microextraction,TFME) employing PDMS membranes has been implemented for GC applications, and 96-well plates employing a variety of coatings that have been coupled and 薄膜SPME薄膜microextraction, (使用PDMS膜的TFME的) 应用为GC使用被结合了和的各种各样...
利用同时蒸馏萃取(SDE)和顶空固相微萃取(HS-SPME)收集酵子馒头(JSB)与酵母馒头(YSB)的挥发性物质,并结合气-质谱联用(GC/MS)和气相嗅闻(GC-O)技术,对其挥发性物质和香气特征进行分析.结果显示,SDE吸收液适合分馏和浓缩.HS-SPME最佳条件为吸附温度55℃,吸附时间30 min,解吸时间6 min.GC/MS分析发现,两种馒头共...
用于我国白酒风味物质定量的技术主要有直接进样的气相色谱-氢火焰化离子检测器(GC-FID),液液微萃取(LLME),固相微萃取(SPME),搅拌子吸附萃取(SBSE)结合气相色谱-质谱(GC-MS)技术等.通过测定我国白酒中香气化合物阈值,计算各香气化合物的OAVs.目前风味重构与缺失试验仅仅用于浓香型与清香型白酒.己酸乙酯,β-大马...
Analysis of Food Samples using Thin Film Solid Phase Microextraction (TF-SPME) and Thermal Desorption GC/MSFood products are routinely monitored for quality, authenticity, and safety. Analysis of food products may also be necessary due to off flavor or odor complaints. The aroma and flavor ...
064-32230 SWITCH,MICRO V-106-1A4 RT-23465.5 SKY Liner, SPME RT-941050210 Pinnacle DB Silica 5um 4065-44706 SGE GAS TIGHT SYRINGE 100MR-VLL-GT 009770 5020-89735 InetrSustain AQ-C18, 5um, Conventional Guard Colum 2.1 x 50mm RT-30025 VOA Mix会员...