Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).
Found on http://home.nas.net/~dbc/cic_hamilton/dictionary/a.html

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).
Found on http://www.allchemicals.info/index/action/detail/keyword/A/id/1059406805.ph

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).
Found on http://www.chemistry-dictionary.com/definition/alums.php
No exact match found