Reference no: EM13832454
1. Name the two most important factors that govern the movement of sample components in Chromatography.
2. a. In gas chromatography, why the column is contained in a thermostatic
b. Under what conditions, the retention time becomes a characteristic of a certain compound?
c. The term Eluent stands for
3. In a GC experiment in which the liquid stationary phase is polar, which would have a shorter retention time - a nonpolar mixture component with a high vapor pressure or a polar mixture component with a low vapor pressure? Explain.
4. What is the role of the detector in GC?
5. Match each detector type (A-E) with the items 1-8 that follow (more than one Item is Possible):
| 1. A GC detector good especially for pesticides |
A. Flame Ionization |
| 2. A GC detector that utilizes hydrogen gas |
B. Thermal Conductivity detector |
| 1. A GC detector that analyzes fragmented molecules according to their mass and charge |
C. Electron Capture detector |
| 1. A GC detector that is based on differences of abilities of helium and the mixture components to conduct heat |
D. mass spectrometer detector |
| E. A universal but not very sensitive GC detector |
|
| F. Can be used only for samples that that are able to be burned |
E. Flame photometric detector |
| G. A GC detector that is specific for organic cornpounds |
|
6. What does it mean to say that a GC detector is universal, what does it mean to say that one GC detector is more sensitive and more selective than another?
Fundamentals of GC - Introduction and Overview
https://www.youtube.com/watch?v=piGSGkcwFAw
|
Who makes law in australia and the democratic aspect of law
: Who makes law in Australia and the democratic aspect of the law--making process in Australia. The international arbitral process. The effect on the power of the Australian Commonwealth Parliament of an ISDS clause in an FTA.
|
|
What is the status of credit scoring
: What is the status of credit scoring for personal lines property casualty in Texas. What is your opinion of the value of credit scoring - give a sound argument and reasons for your opinion
|
|
Provide closures to allow functions to be passed around
: Provide memory management (i.e. garbage collection) or allow the developer fine-grained control over heap-allocation and recycling, Provide closures to allow functions to be passed around like variables.
|
|
What kinds of issues can sociology address
: What kinds of issues can sociology address. Give examples and state how sociology would help to address these issues.
|
|
What is the role of the detector in gc
: Name the two most important factors that govern the movement of sample components in Chromatography - What is the role of the detector in GC?
|
|
Evaluate how education business become a source
: Watch TED Talk: How Schools Kill Creativity. In the video, Sir Ken Robinson presents an analysis of how schools can stop the destruction of creativity. Evaluate how education, business, and nonprofits may become a source of creativity.
|
|
Prepare a marketing report for asus computer company
: Prepare a Marketing report for ASUS Computer Company
|
|
Advantages of social-media
: What are the advantages of social-media in comparison to traditional media for advertisers and Do you think that TV and magazine advertising will suffer due to the increase of social-media advertising
|
|
What language does he use to talk about them
: What language does he use to talk about them. What does he include and not include. What (sometimes subtle) criteria does he seem to apply to his subjects. What do these opinions suggest is important to him or that he values.
|