HPLC QUIZ

None of these

is a measure of the solvent adsorption energy

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

Highly Placed Liquid Chromatography

both (a) and (b)

High Performance Liquid Chromatography

High Pressure Liquid Chromatography

polar solvent/non-polar column

non polar solvent/polar column

any of the above

non polar solvent/non-polar column

All of these

Sample recovery

Greater sensitivity and reusable columns

Ideal for ionic species and large molecules

is changed continuously or in a series of steps

remains constant

None of these

both (a) and (b)

directly related to the square of the peak width

inversely related to the cube root of the peak width

directly related to the square of the peak width

inversely related to the square of the peak width

solvent adsorption energy

solvent diffusivity

solvent mixing index

solvent absorption energy

the volume of the column between the point at which solvents are mixed and the beginning of the column

the time required for the gradient to reach the column

the volume of solvent contained in a liquid chromatographic column

total volume of eluent in the column the remainder being taken up by the packing material

Any of the above

Any compound with solubility in liquid

Any compound with non-solubility in liquid

Any compound with limited solubility in liquid

remains constant

none of these

changes continuously

changes in a series of steps