GADOLINIUM CARBONATE HYDRATE (RE Element base) Gadolinium(III) carbonate hydrate 99.9% trace metals basis Carbonic acid gadolinium(3+) salt hydrate GADOLINIUM (III) CARBONATE GADOLINIUM(III) CARBONATE HYDRATE GADOLINIUM CARBONATE HYDRATE GADOLINIUM(III) CARBONATE HYDRATE, 99.9% GADOLINIUM(III) CARBONATE HYDRATE 99.99%-GD