| 21995-29-9 | ammonium samarium(3+) disulphate | H3N . 2 H2 O4 S . Sm |
| 21995-30-2 | ammonium europium(3+) disulphate | Eu . H3 N . 2 H2 O4 S |
| 21995-31-3 | GADOLINIUM AMMONIUM SULFATE | Gd. H3 N . 2 H2 O4 S |
| 21995-32-4 | ammonium lanthanum(3+) disulphate | H3N . 2 H2 O4 S . La |
| 21995-33-5 | ammonium praseodymium(3+) disulphate | H3N . 2 H2 O4 S . Pr |
| 21995-34-6 | ammonium neodymium(3+) disulphate | H3N . 2 H2 O4 S . Nd |
| 21995-38-0 | Ammonium cerous sulfate | Ce. H3 N . 2 H2 O4 S |