| abstract |
To provide an adsorbent that is detachable even at a low temperature and has a large difference between an adsorption amount and a desorption amount. An adsorbent using a porous organic-inorganic composite having a surface area of 1000 m 2 / g or more and having a pore window size of 0.5 to 2 nm, particularly an adsorbent for moisture, and is capable of adsorbing and desorbing. It is easy even at 100 ° C. or lower, and when heated at an adsorbent weight per 100 wt. [Selection figure] None |