Q. An FT-IR instrument record a signal in the

View solution

Q. When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?

View solution

Q. Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis?

View solution

Q. What is meant by rotating frame of reference?

View solution

Q. The sequence of amino acids in proteins can be determined by means of

View solution

Q. Why is it advantageous to record many FID signals from the same sample and then add them together?

View solution

Q. In FT-NMR, how are nuclei excited?

View solution

Q. Negative staining is a technique used in

View solution

Q. What is the typical internal diameter of fused silica capillary columns?

View solution

Q. Resolution is proportional to the

View solution

Q. Derivatisation of a sample is carried out to

View solution

Q. Which of the statements is correct?

View solution

Q. In column switching chromatography

View solution

Q. Which of the following gases is unsuitable for use as a GC carrier gas?

View solution

Q. Which of the following is not used for detection in GC?

View solution

Q. Which of these effects result from slow injection of a large sample volume?

View solution

Q. The GC trace obtained after an experiment is called a

View solution

Q. Which of the following detectors give concentration-dependent signals?

View solution

Q. What useful information can be found from a Van Deemter plot?

View solution

Q. Sample retention in the column is measured by

View solution