Copper sulphate, wanda kuma aka rubuta a matsayin sulfate na jan karfe, wani sinadari ne mai sinadarin CuSO4. An fi saninsa da blue vitriol ko bluestone. Ma'anar ƙamus na jan karfe sulfate shine:Nau'in: Ginin crystalline wanda aka yi da jan karfe, sulfur, da oxygen, yana da tsarin sinadarai CuSO4. Yana da kauri mai launin shuɗi mai narkewa a cikin ruwa kuma ana amfani da shi azaman fungicide, herbicide, da magungunan kashe qwari. Hakanan ana amfani dashi a cikin matakai daban-daban na masana'antu, electroplating, da kuma azaman reagent na dakin gwaje-gwaje.Lura: Copper sulphate yana da guba kuma yakamata a kula dashi da kulawa. Yana da mahimmanci a bi ƙa'idodin aminci da ƙa'idodi yayin amfani da ko sarrafa sulfate na jan karfe.