rare-earth salts

rare-earth salts

[′rer ‚ərth ′sȯls]
(inorganic chemistry)
Salts derived from monazite, and with rare earths in similar proportions as in monazite; contains La, Ce, Pr, Nd, Sm, Gd, and Y as acetates, carbonates, chlorides, fluorides, nitrates, sulfates, and so on.