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Sulfáit foiriúnach
Ainm Ceimiceach: Sulfáit foiriúnach
Foirmle Mhóilíneach: FESHA4· 7h2O; FESHA4· NH2O
Meáchan móilíneach: Heptahydrate: 278.01
Marán：Heptahydrate: 7782-63-0; Triomaithe: 7720-78-7
Carachtar: Heptahydrate: Is criostail nó gráinníní glasa-ghlas é, gan boladh le hintinn. In aer tirim, tá sé thar a bheith tábhachtach. In aer tais, déanann sé ocsaídiú go héasca chun sulfáit bhunúsach ferric a chruthú. Tá sé intuaslagtha in uisce, dothuaslagtha in eatánól.
Triomaithe: Tá sé liath-bán le púdar beige. le Astringency. Tá sé comhdhéanta den chuid is mó de FESO4· H2O agus tá cúpla feso ann4· 4H2Tá O.it intuaslagtha go mall in uisce fuar (26.6 g / 100 ml, 20 ℃), díscaoilfear é go tapa nuair a théitear é. Tá sé dothuaslagtha in eatánól. Beagnach dothuaslagtha in aigéad sulfarach 50%.
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