Extraction and separation of Radish red pigment from a waste water of salting Radish was studied on D61 resin.The exchange capacity of adsorption the pigment wa
This paper introduces an improved new method which is used to recover silver as silver nitrate by ion exchange from the wasters.In this method,we can recover si
With cellulose as carrier,immobilized thermolysin HE I and HE Ⅱ were prepared by diazo coupling or glutaraldehyde crosslinking reaction.Using casein as a subst