-
Ammonium sulfate
Lub npe tshuaj: Ammonium sulfate
Molecular Formula:(NH4)2YOG4
Molecular Luj:132.14 Nws
CAS:7783-20-2 : kuv
Cim:Nws yog xim tsis muaj pob tshab orthorhombic siv lead ua, deliquescent.Tus txheeb ze ceev yog 1.769 (50 ℃).Nws yooj yim soluble hauv dej (Ntawm 0 ℃, solubility yog 70.6g / 100mL dej; 100 ℃, 103.8g / 100mL dej).Aqueous kua yog acidic.Nws yog insoluble hauv ethanol, acetone los yog ammonia.Nws reacts nrog alkalies los tsim ammonia.
-
Tooj Sulfate
Lub npe tshuaj:Tooj Sulfate
Molecular Formula:CuSO4· 5 H2O
Molecular Luj:249.7 ib
CAS:7758-99-8 ib
Cim:Nws yog xiav xiav triclinic siv lead ua los yog xiav crystalline hmoov los yog granule.Nws tsw zoo li cov hlau tsis zoo.Nws effloresces maj mam nyob rau hauv cov huab cua qhuav.Cov txheeb ze ntom ntom yog 2.284.Thaum siab tshaj 150 ℃, nws poob dej thiab tsim Anhydrous Copper Sulfate uas absorbs dej yooj yim.Nws yog soluble hauv dej dawb thiab aqueous daws yog acidic.PH tus nqi ntawm 0.1mol / L aqueous tov yog 4.17 (15 ℃).Nws yog soluble hauv glycerol dawb thiab dilute ethanol tab sis insoluble hauv ntshiab ethanol.
-
Zinc sulfate
Lub npe tshuaj:Zinc sulfate
Molecular Formula:ZnSO4· H2O;ZnSO4· 7 H2O
Molecular Luj:Monohydrate: 179.44;Heptahydrate yog 287.50
CAS:Monohydrate: 7446-19-7;Heptahydrate: 7446-20-0
Cim:Nws yog Cov xim tsis muaj pob tshab prism lossis spicule lossis granular crystalline hmoov, tsw ntxhiab.Heptahydrate: Tus txheeb ze ntom ntom yog 1.957.Melting point yog 100 ℃.Nws yooj yim soluble hauv dej thiab aqueous kua yog acidic rau litmus.Nws yog me ntsis soluble hauv ethanol thiab glycerin.Cov monohydrate yuav poob dej ntawm qhov kub siab tshaj 238 ℃;Heptahydrate yuav effloresced maj mam nyob rau hauv cov huab cua qhuav ntawm chav tsev kub.
-
Magnesium Sulfate
Lub npe tshuaj:Magnesium Sulfate
Molecular Formula:MgSO4· 7 H2O;MgSO4·nH2O
Molecular Luj:246.47 (Heptahydrate)
CAS:Heptahydrate: 10034-99-8;Anhydrous: 15244-36-7
Cim:Heptahydrate yog xim tsis muaj xim prismatic lossis koob zoo li siv lead ua.Anhydrous yog dawb crystalline hmoov los yog hmoov.Nws yog odorless, saj iab thiab qab ntsev.Nws yog dawb do soluble hauv dej (119.8%, 20 ℃) thiab glycerin, me ntsis soluble hauv ethanol.Cov tshuaj aqueous yog nruab nrab.
-
Sodium Metabisulfite
Lub npe tshuaj:Sodium Metabisulfite
Molecular Formula:Na2S2O5
Molecular Luj:Heptahydrate: 190.107
CAS:7681-57-4 ib
Cim: Dawb los yog daj me ntsis hmoov, muaj ntxhiab, soluble nyob rau hauv dej thiab thaum yaj nyob rau hauv dej nws tsim sodium bisulfite.
-
Ferrous Sulfate
Lub npe tshuaj:Ferrous Sulfate
Molecular Formula:FeSO4· 7 H2O;FeSO4·nH2O
Molecular Luj:Heptahydrate: 278.01
CAS:Heptahydrate: 7782-63-0;Qhuav: 7720-78-7
Cim:Heptahydrate: Nws yog xiav-ntsuab crystals los yog granules, odorless nrog astringency.Hauv huab cua qhuav, nws yog efflorescent.Nyob rau hauv cov huab cua noo, nws oxidizes nkag mus rau xim av-daj, yooj yim ferric sulfate.Nws yog soluble hauv dej, insoluble hauv ethanol.
Qhuav: Nws yog grey-dawb rau beige hmoov.nrog astringency.Nws yog tsim los ntawm FeSO4· H2O thiab muaj ob peb ntawm FeSO4· 4 H2O.Nws maj mam soluble hauv dej txias (26.6 g / 100 ml, 20 ℃), Nws yuav yaj sai sai thaum cua sov.Nws yog insoluble hauv ethanol.Yuav luag insoluble hauv 50% sulfuric acid.
-
Potassium sulfate
Lub npe tshuaj:Potassium sulfate
Molecular Formula:K2YOG4
Molecular Luj:174.26 Nws
CAS:7778-80-5
Cim:Nws tshwm sim tsis muaj xim lossis dawb tawv siv lead ua los yog crystalline hmoov.Nws qab qab thiab qab ntsev.Tus txheeb ze ntom ntom yog 2.662.1 g dissolves nyob rau hauv txog 8.5 mL dej.Nws yog insoluble hauv ethanol thiab acetone.Lub pH ntawm 5% aqueous tov yog hais txog 5.5 mus rau 8.5.
-
Sodium Aluminium Sulfate
Lub npe tshuaj:Aluminium Sodium Sulfate, Sodium Txhuas Sulfate,
Molecular Formula:NaAl(SO4)2,NaAl(SO4)2.12 H2O
Molecular Luj:Cov dej tsis muaj dej: 242.09;Dodecahydrate: 458.29
CAS:Anhydrous: 10102-71-3;Dodecahydrate: 7784-28-3
Cim:Aluminium Sodium Sulfate tshwm sim raws li cov xim tsis muaj kob, dawb granules, los yog hmoov.Nws yog anhydrous los yog tej zaum yuav muaj txog li 12 molecules dej ntawm hydration.Daim ntawv anhydrous yog maj mam soluble hauv dej.Dodecahydrate yog dawb do soluble hauv dej, thiab nws effloresces hauv huab cua.Ob hom yog insoluble hauv cawv.
