Zinc sulfate / CAS：7733-02-0

nkọwapụta

Ojiji

Zinc sulfate, nke nwere usoro kemịkalụ ZnSO4, bụ kristal rhombic na-enweghị agba nwere njupụta dị 3.54. Ọ na-agbaze ghọọ zinc oxide mgbe a na-ekpo ọkụ ruo 770℃. Mmiri ahụ bụ zinc sulfate monohydrate ZnSO4·H2O, kristal ntụ ntụ ọcha nwere njupụta dị 3.31. Mgbe a na-ekpo ọkụ ruo 280℃, ọ na-efunahụ mmiri ma ghọọ anhydrous. Zinc sulfate hexahydrate ZnSO4·6H2O bụ kristal monoclinic ma ọ bụ tetragonal na-enweghị agba nwere njupụta dị 2.07. Mgbe a na-ekpo ọkụ ruo 70℃, ọ na-efunahụ molekul mmiri ise nke kristal iji ghọọ zinc sulfate monohydrate. Zinc sulfate heptahydrate, ZnSO4·7H2O, nke a na-akpọkarị "alum" ma ọ bụ "zinc alum", bụ ụdị kachasị. Ọ bụ kristal rhombic na-enweghị agba ma ọ bụ ntụ kristal ọcha. Ọ na-efegharị nwayọ nwayọ n'ikuku kpọrọ nkụ, yana njupụta dị 1.96. Na okpomọkụ 39℃, ọ na-efunahụ otu molekul mmiri kristal ka ọ ghọọ zinc sulfate hexahydrate. Zinc sulfate na-agbaze nke ukwuu na mmiri, mmiri ya na-adịkwa obere acid. Ọ nwere ike ịgbaze na glycerol ma na-agbaze ntakịrị na ethanol. Ọ na-emepụta nnu abụọ nke ụdị ZnSO4·K2SO4·6H2O na potassium sulfate. Mgbe a gbazere zinc metallic ma ọ bụ zinc oxide na sulfuric acid a gwakọtara agwakọta ma tinye ya na kristal na 30℃, enwere ike nweta heptahydrate zinc sulfate. Mgbe ahụ, site n'ịkwalite okpomọkụ, enwere ike nweta ụdị zinc sulfate ndị ọzọ dị iche iche. A na-eji ya dị ka ihe na-agba agba na mbipụta, ihe nchekwa osisi, ihe na-eme ka ọbara dị ọcha na imepụta akwụkwọ, a na-etinyekwa ya na ọgwụ, eriri arụrụ arụ, electrolysis, electroplating, pesticides na mmepụta nke nnu zinc, wdg.

Zinc sulfate ZnSO4, nke a makwaara dị ka alum ma ọ bụ zinc alum, bụ kristal orthorhombic ma ọ bụ ntụ ntụ na-enweghị agba ma ọ bụ ọcha n'ọnọdụ okpomọkụ ụlọ. Ọ nwere ihe ndị na-eme ka ọ ghara ịdị ike, ọ na-agbaze nke ukwuu na mmiri, ihe ngwọta mmiri ya na-abụkwa acidic. Ọ na-agbaze ntakịrị na ethanol na glycerol. Zinc sulfate dị ọcha anaghị agbanwe odo mgbe echekwara ya n'ikuku ruo ogologo oge. Mgbe etinyere ya n'ikuku kpọrọ nkụ, ọ na-efunahụ mmiri ma na-aghọ ntụ ọcha. E nwere ọtụtụ hydrates: hydrate kwụsiri ike na nhazi ya na mmiri n'ime oke 0-39℃ bụ zinc sulfate heptahydrate; n'ime 39-60℃, ọ bụ zinc sulfate hexahydrate; na n'ime 60-100℃, ọ bụ zinc sulfate monohydrate. Mgbe a na-ekpo ọkụ ruo 280℃, hydrates niile na-efunahụ mmiri kristal ha kpamkpam. Na 680℃, ha na-agbaze ghọọ zinc oxysulfate. N'elu 750℃, ha na-agbaze ọzọ. N'ikpeazụ, na ihe dị ka 930℃, ha na-agbaze ghọọ zinc oxide na sulfur trioxide. ZnSO4·7H2O na MSO4·7H2O (M = Mg, Fe, Mn, Co, Ni) na-emepụta kristal agwakọtara n'ime oke ụfọdụ.

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