| abstract |
(57) [Summary] [Object] An object of the present invention is to provide a high-speed and highly-separated amino acid analyzer. [Structure] A separation column 10, a buffer pump 7 for feeding a plurality of buffer solutions 1, 2, 3, 4 to the separation column 10, a flow path between the buffer pump 7 and the separation column 10, Sampler 7 for introducing the analytical sample into the flow channel, and separation column 1 It is composed of a reaction coil 14 in which the amino acids separated by 0 are mixed with a ninhydrin reagent and then reacted. Here, the separation column 10 has a length L1 and an inner diameter R And the ratio (L1 / R) is 10 or less, the separation column 10 The particle size of the ion exchange resin to be filled in is set to 4 μm or less. |