| 摘要 |
PROBLEM TO BE SOLVED: To provide a method in which protein, in a trace amount, contained in an electrolytic solution or a plating solution can be quantitatively determined simply and with good accuracy. SOLUTION: A sample solution containing protein, such as an electrolytic solution, a plating solution or the like is passed through a column into which a hydrophobic adsorption resin is filled. The protein is adsorbed to the resin. Then, an eluent is made to flow to the column. The protein is eluted. An analytical reagent is added to an eluate. Then, the protein is quantitatively analyzed. Preferably, the protein is analyzed in a continuous flow. As the hydrophobic adsorption resin, a nonpolar resin or an intermediate polar resin is preferable.
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