Chromatographic separation quantitative collection device

The utility model discloses a chromatographic separation quantitative collection device, which comprises an elution tank, an extraction tank, an extraction tank, an extraction tank, an extraction tank and an extraction tank, wherein the elution tank is used for storing enzymatic hydrolysate required to be subjected to chromatographic separation; the elution pump is respectively connected with the elution tank and the chromatographic separation assembly, and the elution pump is used for pumping the enzymatic hydrolysate into the chromatographic separation assembly; the chromatographic separation assembly is arranged on the right side of the elution tank, comprises three groups of ion exchange columns and is used for separating a nucleotide mixture in the enzymatic hydrolysate; the collecting assembly is arranged on the right side of the chromatographic separation assembly, comprises a plurality of groups of collecting barrels and is used for quantitatively collecting eluent. According to the device, the buoy i