| 释义 |
chro·ma·tog·ra·phy
\ˌkrōməˈtägrəfē\ noun
(-es)
Etymology: chromat- + -graphy
: a process of separating gases, liquids, or solids in a mixture or solution by adsorption (as selective adsorption on clay, silica gel, or alumina or on paper) as the mixture flows over the adsorbent medium, often in a column, each substance finally appearing in the medium at a different level or band that is often colored and then being recoverable (as by washing out with pure solvent) |