| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing an absorbent which is stable toward a liquid such as an eluant and which shows excellent reproducibility in selectively adsorbing and separating an object compound, an adsorbent produced by such a production method, and an adsorption apparatus which shows excellent reproducibility. SOLUTION: The method for producing an absorbent capable of selectively adsorbing an object compound includes the steps of: preparing a base material having a surface, in which at least part of the surface of the base material is formed of a material containing as its major component apatite which is represented by the composition formula Ca<SB>10</SB>(PO<SB>4</SB>)<SB>6</SB>((OH)<SB>1-a</SB>X<SB>a</SB>)<SB>2</SB>, where X presents at least one halogen element and 0≤a≤1; preparing a solution containing ions of at least one metal element; substituting at least part of Ca of the apatite by at least one metal element by bringing the base material into contact with the solution to obtain a substituted base material; and subjecting the substituted base material to heat treatment at 50 to 400°C for 0.5 to 10 hours, wherein the base material and the substituted base material are not exposed to a temperature exceeding 500°C for 4 hours or longer from the substitution step to the completion of production of the adsorbent. COPYRIGHT: (C)2007,JPO&INPIT
|
