| 摘要 |
PROBLEM TO BE SOLVED: To obtain singly particle diameter single-dispersed particles having particle diameters of about 1 to 1,000μm, to provide a method for highly simply producing the particles, to provide a column in which the particles are charged and which is used for liquid chromatography, and to provide a liquid chromatography analysis method using the column. SOLUTION: The singly particle diameter-dispersed particles are obtained by adding and swelling singly particle diameter-dispersed polymer seed particles comprising a poly(meth)acrylate ester containing at least one kind of group selected from >=6C linear alkyl groups, >=6C alicyclic groups, phenyl group, benzyl group and >=3C halogenated alkyl groups in an aqueous emulsion containing a polymerizable monomer and then polymerizing the polymerizable monomer.
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