Copaux


Copaux :

A method for extracting beryllium from beryl. The ore is heated with sodium fluorosilicate at 850oC. Leaching with water dissolves the beryllium fluoride, leaving the silica and most of the aluminum fluoride as an insoluble residue. Addition of sodium hydroxide precipitates beryllium as the hydroxide

No records Found
afaatim.com copyright © April 2016 Dr.K.R.Kamaal. All rights reserved