Patent ID: 7390390

Claim:
A capillary array electrophoretic device comprising: a capillary array made up of a plurality of capillaries with their sample injection ends arranged in order; a constant temperature bath for storing the capillary array with the sample injection ends disposed downward and exposed; and an autosampler comprising a tray on which a plurality of sample containers and buffer containers can be mounted, the autosampler being adapted to move vertically and horizontally such that, when moved upward, the sample injection ends exposed from the constant temperature bath can be immersed in a sample in the sample containers or a buffer in the buffer containers, wherein the plurality of sample containers and buffer containers are fixed on the tray in the autosampler, wherein the sample containers are fixed in the vertical direction by means of a horizontal guide groove provided in the tray while they are fixed in a direction along the guide groove as a cover fixed on one end thereof to the tray is closed.