Sul'phate noun [ New Latin sulphas , sulphatis , from Latin sulphur , sulfur , brimstone, sulphur: confer French sulfate .] (Chemistry) A salt of sulphuric acid. Found on http://www.encyclo.co.uk/webster/S/236
Salt or ester derived from sulphuric acid. Most sulphates are water soluble (the chief exceptions are lead, calcium, strontium, and barium sulphates) and require a very high temperature to decompose them. The commonest sulphates seen in the laboratory are copper(II) sulphate (CuSO4), iron(II) sulphate (FeSO4 Found on https://www.encyclo.co.uk/local/21221