Piperazinediium hexaaquazinc(II) bis(sulfate): a structural analogue of Tutton's salts Rekik, Walid ; Naïli, Houcine ; Mhiri, Tahar ; Bataille, Thierry Abstract Publication: Acta Crystallographica Section E Pub Date: April 2005 DOI: 10.1107/S1600536805005982 Bibcode: 2005AcCrE..61M.629R