Questions from General Chemistry

Q: For supercritical carbon dioxide, predict the effect that the following changes

For supercritical carbon dioxide, predict the effect that the following changes will have on the elution time in an SFC experiment. a) Increase the flow rate (at constant temperature and pressure)....

Q: What is the effect of pH on the separation of amino acids

What is the effect of pH on the separation of amino acids by electrophoresis? Why?

Q: What is electroosmotic flow? Why does it occur?

What is electroosmotic flow? Why does it occur?

Q: How could electroosmotic flow be repressed? Why would one want to

How could electroosmotic flow be repressed? Why would one want to repress it?

Q: What is the difference between a precursor ion and a product ion

What is the difference between a precursor ion and a product ion in tandem mass spectrometry?

Q: What is the principle of separation by capillary zone electrophoresis?

What is the principle of separation by capillary zone electrophoresis?

Q: A certain inorganic cation has a electrophoretic mobility of 6.97

A certain inorganic cation has a electrophoretic mobility of 6.97 × 10-4 cm2 s-1 V-1. This same ion has a diffusion coefficient of 7.8 × 10-6 cm2 s-1. If this ion is separated by capillary zone electr...

Q: The cationic analyte of Problem 32-14 was separated by capillary

The cationic analyte of Problem 32-14 was separated by capillary zone electrophoresis in a 50-cm capillary at 20 kV. Under the separation conditions, the electroosmotic flow rate was 0.65 mm s 21 towa...

Q: What is the principle of micellar electrokinetic capillary chromatography? How does

What is the principle of micellar electrokinetic capillary chromatography? How does it differ from capillary zone electrophoresis?

Q: Describe a major advantage of micellar electrokinetic capillary chromatography over conventional liquid

Describe a major advantage of micellar electrokinetic capillary chromatography over conventional liquid chromatography.