HPLC
Which can be used as a mobile phase in HPLC applications?

Any of the above
Any compound with non-solubility in liquid
Any compound with solubility in liquid
Any compound with limited solubility in liquid

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HPLC
An eluotropic series

ranks solvents by their relative abilities to displace solutes from a given absorbent
None of these
is a measure of the solvent adsorption energy
ranks column packing material by their relative abilities to retain solutes on the column

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