Yttrium(III) sulfate can be prepared using either corresponding oxide, hydroxide, or carbonate.[7][unreliable source?]
2 Y(OH)3 + 3 H2SO4 → Y2(SO4)3 + 6 H2O
References
^Prokof'ev, M. V.; Pokrovskii, A. N.; Kovba, L. M. Double sulfates of rubidium and rare earth elements. Zhurnal Neorganicheskoi Khimii, 1979. 24(8): 2114-2121. ISSN0044-457X
^Baldanova, D. D.; Evdokimov, A. A.; Petrov, K. I.; Kondratov, O. I.; Fomichev, V. V. X-ray phase analysis and vibrational spectroscopic study of cesium lanthanide sulfate molybdates (in Russian). Deposited Doc.(Report) 1983, 1316-1384. CAN102:71568
^Degtiarev, P.A.; Pokrovskii, A.N.; Kovba, L.M.; Korytnaia, F.M. (1977). "Investigation of double sulfates of potassium and rare earth elements with composition KRE(SO4)2". Journal of Solid State Chemistry. 22 (4): 419–422. Bibcode:1977JSSCh..22..419D. doi:10.1016/0022-4596(77)90019-6. ISSN0022-4596.
^Prokof'ev, M. V.; Pokrovskii, A. N.; Kovba, L. M. X-ray diffraction study of rubidium lanthanide sulfates (Rb3Ln(SO4)3). Vestnik Moskovskogo Universiteta, Seriya 2: Khimiya, 1979. 20 (6): 571-574. ISSN0579-9384
^Samartsev, B. G.; Pokrovskii, A. N.; Kovba, L. M. X-ray diffraction study of double sulfates, isostructural with cesium neodymium sulfate (Cs3Nd(SO4)3) (in Russian). Vestnik Moskovskogo Universiteta, Seriya 2: Khimiya, 1980. 21 (2): 190-192. ISSN0579-9384
^Kudin, O. V.; Efremov, V. A.; Pokrovskii, A. N.; Degtyarev, P. A.; Trunov, V. K. Synthesis and x-ray diffraction study of double sulfates K3R(SO4)3. Zhurnal Neorganicheskoi Khimii, 1977. 22 (1): 95-97