| 摘要 |
<p>PURPOSE:To provide the titled agent containing at least one kind of compound selected from phosphoric acid, phosphorous acid, hypophosphorous acid and their salts, exhibiting excellent adsorption and decomposition capability against ethylene in gaseous phase, having high activity and stability and usable over a long period. CONSTITUTION:The objective agent contains at least one kind of compound selected from phosphoric acid, phosphorous acid, hypophosphorous acid and their salts as an active component. The agent is used e.g. in the form supported on a porous carrier such as silica.</p> |
