The certification of the purity of CRMs intended for calibration, where no other certified material already exists for comparison, raises principle questio... B Toussaint,H Schimmel,CL Klein,... - 《Journal of Chromatography A》 被引量: 13发表: 2007年 Honey as a candidate reference material ...
3.2.4防止水等冷凝 为防止水和其他柱流出物在FID中冷凝,注意要先关 的工作原理、操作条件以及使用注意事项。 关键词 FID检测器 工作原理操作条件注意事项 OnOperatingPrincipleandConditionsofFIDDetector andPointsforAttentioninItsUse//ZhangXiping Abstrac
A rapid micro-scale solid-phase micro-extraction (SPME) procedure coupled with gas-chromatography with flame ionized detector (GC-FID) was used to extract parts per billion levels of a principle basmati aroma compound 2-acetyl-1-pyrroline (2-AP) from bacterial samples. In present investigation,...
GC-FID预测相对响应因子法测定卷烟爆珠中辛,癸酸甘油酯含量
the structures,principle an d application on pulsed discharge helium ionization detector and flame ionization detector.Through the comparison of the impurities of hi.gh purity gas of N2,H2,Ar,He,O2,it shows GC equipped with one PDHID Can finish the impurities analysis of in—organics and ...
Guangxi Industrial Co., Ltd., Nanning 530001, ChinaAbstract:For quantifying the total content of octyl and decyl glycerate (ODO) mixture in breakable flavorcapsule for cigarette filter, a gas chromatography-flame ionization detector (GC-FID) method based on relativeresponse factor principle was ...
5.The extendable synchronous external trigger function can initiate GC-I112Aand workstation through external signals, such as automatic sampling device, thermal analyzer and so on.6.The instrument has sound system self-checking function and malfunction automatic identification function.7...
Custom engineered to fit specific GC models Easy operation and maintenance Operating Principle The sample stream flows through the detector’s reaction chamber where it is continuously irradiated with high-energy ultraviolet light. Compounds that have an ionization potential lower than the irradiation energ...
3、fHubeiAcademyofAcuureScience,Wuhan,430064)AbstractsThepaperdescribestheprincipleandtroubleshootingofinfraredenfitingcircuitforWatersM410RIdetectorandfl,omereplacementsofsparepartsbychineseproductsKeywordsPrecision;Threeterminal2.5Vreference;Darlington:Transistor;Infraredemitingdiode;Temperatureprobe 4、HP6890气相色谱仪火...
通过对高纯气 N 2 、H 2 、Ar、He、O 2 中杂质分析的比较,显示 GC 只需配有一个 PDHID 即可完成对无机与有机杂质的分析,而且 PDHID 具有更高的灵敏度,更低的检测限。 关键词: 氦离子化检测器,氢焰离子化检测器,比较,检测,高纯气体 Comparison of performances on Flame Ionization Detecter and Pulsed ...