Zinc sulfate / CAS: 7733-02-0
Kev Piav Qhia Luv:
Lub npe khoom: Zinc sulfate
CAS:7733-02-0
MF: ZnSO4
MW: 161.45
QAUV:
Qhov Ceev: 1.31 g/mL ntawm 20 °C
cov lus qhia tshwj xeeb
| Khoom | Skev piav qhia meej |
| Qhov tsos | Dawb los yog me ntsis daj crystalline hmoov |
| cov ntsiab lus | ≥92.0% |
| Cov ntsiab lus ntawm cov khoom tsis yaj | ≤0.1% |
| Cov ntsiab lus ua tau zoo | ≤0.01% |
Kev Siv
Zinc sulfate, nrog rau cov mis tshuaj ZnSO4, yog ib qho siv lead ua rhombic tsis muaj xim nrog qhov ceev ntawm 3.54. Nws decomposes rau hauv zinc oxide thaum cua sov rau 770 ℃. Cov hydrate yog zinc sulfate monohydrate ZnSO4 · H2O, ib qho siv lead dawb nrog qhov ceev ntawm 3.31. Thaum cua sov rau 280 ℃, nws poob dej thiab ua anhydrous. Zinc sulfate hexahydrate ZnSO4 · 6 H2O yog ib qho siv lead monoclinic lossis tetragonal tsis muaj xim nrog qhov ceev ntawm 2.07. Thaum cua sov rau 70 ℃, nws poob 5 molecules ntawm dej ntawm crystallization los ua zinc sulfate monohydrate. Zinc sulfate heptahydrate, ZnSO4 · 7 H2O, feem ntau hu ua "alum" lossis "zinc alum", yog hom feem ntau. Nws yog ib qho siv lead rhombic tsis muaj xim lossis hmoov siv lead dawb. Nws maj mam efflores hauv huab cua qhuav, nrog qhov ceev ntawm 1.96. Thaum kub txog 39 ℃, nws poob ib lub molecule ntawm cov dej crystalline los ua zinc sulfate hexahydrate. Zinc sulfate yaj tau zoo heev hauv dej, thiab nws cov kua dej yog cov kua qaub tsis muaj zog. Nws tuaj yeem yaj hauv glycerol thiab yaj me ntsis hauv ethanol. Nws tsim cov ntsev ob npaug ntawm ZnSO4 · K2SO4 · 6H2O nrog potassium sulfate. Thaum cov hlau zinc lossis zinc oxide yaj hauv dilute sulfuric acid thiab concentrated thiab crystallized ntawm 30 ℃, heptahydrate zinc sulfate tuaj yeem tau txais. Tom qab ntawd, los ntawm kev nce qhov kub, ntau hom zinc sulfate tuaj yeem tau txais. Nws yog siv ua mordant hauv kev zas xim thiab luam ntawv, tshuaj tiv thaiv ntoo, tshuaj dawb hauv kev ua ntawv, thiab kuj siv rau hauv tshuaj, cov xov dag, electrolysis, electroplating, tshuaj tua kab thiab kev tsim cov ntsev zinc, thiab lwm yam.
Zinc sulfate ZnSO4, tseem hu ua alum lossis zinc alum, yog ib qho tsis muaj xim lossis dawb orthorhombic siv lead ua los yog hmoov ntawm chav tsev kub. Nws muaj cov khoom astringent, yog soluble heev hauv dej, thiab nws cov kua dej yog acidic. Nws yog me ntsis soluble hauv ethanol thiab glycerol. Zinc sulfate ntshiab tsis tig daj thaum khaws cia rau hauv huab cua ntev. Thaum muab tso rau hauv huab cua qhuav, nws poob dej thiab ua hmoov dawb. Muaj ntau yam hydrates: cov hydrate ruaj khov hauv qhov sib npaug nrog dej hauv qhov ntau ntawm 0-39 ℃ yog zinc sulfate heptahydrate; hauv 39-60 ℃, nws yog zinc sulfate hexahydrate; thiab hauv 60-100 ℃, nws yog zinc sulfate monohydrate. Thaum cua sov rau 280 ℃, tag nrho cov hydrates poob lawv cov dej crystalline tag nrho. Ntawm 680 ℃, lawv decompose rau hauv zinc oxysulfate. Saum 750 ℃, lawv ntxiv decompose. Thaum kawg, ntawm ib ncig ntawm 930 ℃, lawv decompose rau hauv zinc oxide thiab sulfur trioxide. ZnSO4·7H2O thiab MSO4·7H2O (M = Mg, Fe, Mn, Co, Ni) tsim cov siv lead ua sib xyaw hauv ib qho ntau yam.
Ntim thiab Xa Khoom
25KG / Nruas los yog raws li cov neeg siv khoom xav tau.
Yog cov khoom siv dav dav thiab tuaj yeem xa los ntawm dej hiav txwv thiab huab cua
Khaws cia thiab khaws cia
Lub neej txee: 24 lub hlis txij li hnub tsim khoom hauv cov ntim khoom tsis tau qhib khaws cia rau hauv qhov chaw txias thiab qhuav kom tsis txhob raug tshav ntuj ncaj qha, dej.
Lub tsev rau khoom muaj cua nkag, ziab kom qhuav kub tsawg, Sib cais ntawm cov tshuaj oxidants, cov kua qaub.
