The isotherms for sorption of fulvic acid from weathered coal,and the distribution ratios,Rd,of ^169Yb at various concentration of fulvic acid on Na-bentonite a
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