摘要 |
PROBLEM TO BE SOLVED: To make automatically settable a mixture ratio change characteristic such that respective components of a sample can be rapidly separated without overlapping, and to make easily and rapidly analyzable the sample. SOLUTION: Conditions such as liquid feed flow rate to a column are inputted (S1-3), and a reference time t0 necessary for passage of substances not adsorbed onto a packing material through the column is calculated on the basis of the conditions (S4). Maintaining times of respective states ('W', 'G', 'T') in a mixture ratio change characteristic of eluants are respectively set to the reference time t0 (S5). Two mixture ratio value of the eluants different in a relative retention (k') of one arbitrary component in the sample are inputted (S6), and the values are respectively set as mixture ratios of the eluants in two states ('W', 'T') of the mixture ratio change characteristic of the eluants.
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