HPLC QUIZ

High Performance Liquid Chromatography

both (a) and (b)

High Pressure Liquid Chromatography

Highly Placed Liquid Chromatography

Any compound with solubility in liquid

Any compound with limited solubility in liquid

Any compound with non-solubility in liquid

Any of the above

non polar solvent/polar column

polar solvent/non-polar column

non polar solvent/non-polar column

any of the above

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

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

the volume of solvent contained in a liquid chromatographic column

both (a) and (b)

None of these

remains constant

is changed continuously or in a series of steps

directly related to the square of the peak width

inversely 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

solvent absorption energy

solvent adsorption energy

solvent mixing index

solvent diffusivity

ranks solvents by their relative abilities to displace solutes from a given absorbent

is a measure of the solvent adsorption energy

ranks column packing material by their relative abilities to retain solutes on the column

None of these

liquid/solid (adsorption) chromatography

ion exchange and size exclusion chromatography

liquid/liquid (partition) chromatography

All of these

It can only be used for isocratic elutions

It does not respond to many solutes

It is more sensitive than a UV detector

none of above