Αποτελέσματα Αναζήτησης
In this experiment we will study the method of gas chromatography. Gas chromatography (GC) is one of the most important analytical tools that the chemist has. In this lab you will watch and listen to a video presentation about GC, look at a research-level GC instrument, and learn how to do a qualitative and quantitative GC analysis.
15 Αυγ 2020 · Discuss the expected and observed effects that temperature has on gas chromatographic behavior. Is one temperature suitable for separation of this mixture? For each component plot log r vs 1/T where T is temperature in K. Briefly discuss this plot.
Control of the column’s temperature is critical to attaining a good separation in gas chromatography. For this reason the column is placed inside a thermostated oven (see Figure 12.22). In an isothermal separation we maintain the column at a constant temperature.
1 Αυγ 2017 · A quick step-by-step guide for optimizing GC temperature programming. Temperature is one of the two most important variables in gas chromatography (GC); affecting retention (k), selectivity (α), and to a lesser extent efficiency (N).
Whether you are a novice user or an expert needing a refresher about gas chromatography, this PerkinElmer GC Learning Webinar series will provide a comprehensive overview on what GC is. From ways to optimize your analysis, typical troubleshooting basics, the best techniques to process data, and everything in between.
Access online GC training courses across the discipline of gas chromatography. Improve skills and knowledge, from the basics to advanced applications of the technique. Our comprehensive bank of eLearning content is delivered across various formats to suit all learning needs - practical video training, modules, quick guides, bootcamps, and more.
1 Ιουν 2015 · If a suitable gradient slope cannot be obtained to separate compounds eluted in the middle of the temperature gradient, insert a mid-ramp isothermal section at 45 °C below the elution temperature of the critical pair (203 °C to help separate peaks 8 and 9 in our screening example).
