Sulfate ya Zinki / CAS：7733-02-0

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Imikoreshereze

Sulfate ya zinki, ifite formula ya chimique ya ZnSO4, ni kristu ya rhombic idafite ibara ifite ubucucike bwa 3.54. Irabora ikavamo zinc oxide iyo ishyushye kugeza kuri 770°C. Hydrate ni zinc sulfate monohydrate ZnSO4·H2O, kristu y'umweru ifite ubucucike bwa 3.31. Iyo ishyushye kugeza kuri 280°C, itakaza amazi igahinduka anyhydrous. Sulfate ya zinki hexahydrate ZnSO4·6H2O ni kristu ya monoclinic cyangwa tetragonal idafite ibara ifite ubucucike bwa 2.07. Iyo ishyushye kugeza kuri 70°C, itakaza molekile 5 z'amazi ya crystallization ikaba zinc sulfate monohydrate. Sulfate ya zinki heptahydrate, ZnSO4·7H2O, izwi cyane nka "alum" cyangwa "zinc alum", ni yo ikunze kugaragara cyane. Ni kristu ya rhombic idafite ibara cyangwa ifu ya kristu yera. Igenda isohoka buhoro buhoro mu kirere cyumye, ifite ubucucike bwa 1.96. Kuri 39°C, itakaza molekile imwe y'amazi ya kristu ikaba hexahydrate ya zinc sulfate. Zinc sulfate irashonga cyane mu mazi, kandi umuti wayo w'amazi uba ufite aside nkeya. Ishobora gushonga muri glycerol kandi irashonga gato muri ethanol. Ikora umunyu kabiri w'ubwoko bwa ZnSO4·K2SO4·6H2O hamwe na potassium sulfate. Iyo zinc oxide cyangwa zinc oxide ishongeshejwe muri aside sulfurike ivanze kandi ikagira crystallized kuri 30°C, heptahydrate zinc sulfate irashobora kuboneka. Hanyuma, mu kuzamura ubushyuhe, hashobora kuboneka ubundi bwoko butandukanye bwa zinc sulfate. Ikoreshwa nk'umusemburo mu gusiga amarangi no gucapa, ikoreshwa mu biti, ikoreshwa mu gukora impapuro, kandi ikoreshwa no mu buvuzi, mu nsinga z'ubukorano, mu gusya amashanyarazi, mu gusiga amashanyarazi, mu kwica udukoko no mu gukora umunyu wa zinc, nibindi.

Zinc Sulfate ZnSO4, izwi kandi nka alum cyangwa zinc alum, ni kristu cyangwa ifu idafite ibara cyangwa yera cyangwa iy'umweru mu bushyuhe bw'icyumba. Ifite ubushobozi bwo gushonga, irashonga cyane mu mazi, kandi umuti wayo w'amazi ni aside. Irashonga gato muri ethanol na glycerol. Zinc Sulfate nziza ntabwo ihinduka umuhondo iyo ibitswe mu kirere igihe kirekire. Iyo ishyizwe mu mwuka wumye, itakaza amazi igahinduka ifu yera. Hariho hydrate zitandukanye: hydrate ihamye iri ku rugero rw'amazi hagati ya 0-39℃ ni zinc sulfate heptahydrate; muri 39-60℃, ni zinc sulfate hexahydrate; naho muri 60-100℃, ni zinc sulfate monohydrate. Iyo ishyushye kugeza kuri 280℃, hydrate zose zitakaza burundu amazi yazo ya crystalline. Kuri 680℃, zibora zigahinduka zinc oxysulfate. Hejuru ya 750℃, zirushaho kubora. Amaherezo, hafi 930℃, zibora zigahinduka zinc oxide na sulfur trioxide. ZnSO4·7H2O na MSO4·7H2O (M = Mg, Fe, Mn, Co, Ni) bikora kristu zivanze mu rugero runaka.

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