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Biochemistry - HPLC

Exercise : HPLC - Section 1
  • HPLC - Section 1
6.
An isocratic elution in HPLC is one in which the composition of the solvent
remains constant
changes continuously
changes in a series of steps
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In reversed phase HPLC, there is a
non polar solvent/polar column
polar solvent/non-polar column
non polar solvent/non-polar column
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Which of the following statements is true for a refractive index detector in HPLC?
It is more sensitive than a UV detector
It can only be used for isocratic elutions
It does not respond to many solutes
none of above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A gradient elution in HPLC is one in which the composition of the solvent
remains constant
is changed continuously or in a series of steps
both (a) and (b)
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
An eluotropic series
ranks solvents by their relative abilities to displace solutes from a given absorbent
ranks column packing material by their relative abilities to retain solutes on the column
is a measure of the solvent adsorption energy
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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