| 摘要 |
<p>Pure org. cpds. are recovered from impure solid org. cpds. by converting to the meta-dissolved state by intimate mixing liqui (mixt.) having no or only slight solvent power for the org. cpd. and sepg. the pure cpd. formed. Substd. 2-mercaptobenzthiazoles, cyclic N-oxides (nitrones) and organometallic, trisubstd. aryl cpds. of gp. V elements, e.g. PPh3, AsPh3, SbPh3, can be recovered in >99% purity, with losses 5%.</p> |
