To learn more about the company’s CIP high purity solutions, stop by Spectrum Chemical Booth #844 at the BioProcess International Conference, September 20-23, call 800.772.8786, email sales ...

MONTREAL, QUEBEC -- (Marketwired) -- 09/19/17 -- HIGHLIGHTS: -- An industrial residue was processed to produce a high purity REE concentrate (99% TREO) and 99.8% cobalt hydroxide -- Nd and Dy ...

Home » Business » Check gold purity with carat meter and be safe. Check gold purity with carat meter and be safe. By Commodity Online. Share: May 15, 2008 15:24 IST.