Ion-exchange procedures were developed for the successful separation of the rare earths using a high capacity resin, Nalcite HCR;0.1% citrate solution was used as the eluant. A detailed study was made of the factors important to the production of spectrographically pure neodymlum and praseodymium...
in-Kind Bonds — Public Joint Stock Company — Public Limited Company — Prague Inter-bank Offered Rate — Permanent School Fund — Qualified Personal Service Corporation — Qatar Shareholder Company — Real Estate Investment Trust — Real Estate Mortgage Investment Conduit — Societe Anonyme — ...