| 摘要 |
An operation portion reads an analyzing time and an analyzing flow rate from a storing portion for a next analysis to calculate a liquid delivery quantity per analysis for the next analysis, and transmits the liquid delivery quantity per analysis to a comparison portion. The comparison portion compares a pump capacity and the liquid delivery quantity per analysis, and when the comparison portion determines that the pump capacity is larger than the liquid delivery quantity per analysis, a control portion allows a mobile phase in the next analysis to be delivered by only one cycle discharging operation in a low flow rate mode. Thus, in a micro-liquid chromatography, influence of a pulsating flow can be suppressed.
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