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Muaj Aluminium Sulfate Siv Hauv Dej Haus Tswj Cov Xim Thiab Saj Ntawm Dej

Muaj Aluminium Sulfate (tshuaj formula Al2 (SO4) 3, hom 342.15), dawb orthorhombic crystalline hmoov, ceev 1.69g / mL (25 ℃). Nyob rau hauv daim ntawv kev lag luam xws li rosin kua nplaum, ua liaj ua teb emulsion thiab lwm yam kev sib txuas ntawm cov nag, kev kho dej raws li flocculant, tab sis kuj rau lub tshuab ua npuas hluav taws xob, kev siv ntawm alum, aluminium dawb raw cov ntaub ntawv, cov tshuaj dawb, cov tshuaj tsw qab, cov ntaub ntawv thiab hais txog. Tab sis kuj qhov siv thiab ua cov pob zeb gemstones thiab ntau dua ammonium alum.

Txog li 50 feem pua ntawm cov khoom xyaw ntawm aluminium sulfate yog thawj qhov loj siv rau daim ntawv, qhov thib ob kev siv loj tshaj plaws yog nyob hauv dej haus, muaj dej thiab chaw kho cov dej khib nyiab, ua li 40 feem pua ntawm cov khoom tsim tawm ntawm aluminium sulfate. Thaum txhuas sulfate ntxiv rau hom dej no, nws tuaj yeem tsim cov pob txha floom ntawm aluminium hydroxide uas tuaj yeem tawm thiab ua kom cov kab mob ntau dua, colloids thiab lwm yam teeb meem. Nws tuaj yeem tswj cov xim thiab saj cov dej hauv kev haus dej haus.

Lub cev lub cev

Tsos thiab tus cwj pwm: dawb siv lead ua, qab zib;

Solubility: soluble hauv dej, insoluble hauv ethanol thiab hais txog.

Muaj cov khoom muaj grey, flaky, granular lossis massive, nrog cov hlau tsis muaj ntsev nrog lub teeb ntsuab, thiab vim muaj cov nqi tsawg hlau ntsev yog oxidized thiab cov xim daj. Khoom siv nyhav yog ib qho dawb huv nplua nuj qauv.

Yooj yim tov hauv dej, txhuas sulfate hauv cov ntshiab sulfuric acid tsis tau yaj (tab sis coexistence), sulfuric acid kua thiab sulfuric acid yaj hauv dej, ces solubility ntawm txhuas sulfate hauv sulfuric acid yog solubility ntawm txhuas sulfate hauv dej.

Tshuaj lom neeg

Tsis yooj yim rau huab cua thiab poob crystal dej, kuj ruaj khov, cua sov yuav tsum dehydrated, kub siab yuav decomposed mus rau alumina thiab sulfur oxides. Heated rau 770 ℃ pib zom zaws mus rau alumina, sulfur trioxide, sulfur dioxide thiab dej vapor. Soluble nyob rau hauv dej, acid thiab alkali, insoluble nyob rau hauv ethanol. Lub kua dej aqueous yog acidic. Hydrolysis ua aluminium hydroxide. Lub kua aqueous tau boil rau ib lub sij hawm ntev los tsim ib qho yooj yim txhuas sulfate. Tsis muaj kuab lom, plua plav yuav ua rau koj lub qhov muag.

Aluminium sulfate tshuaj qauv

Siv raws li tus kab mob crosslinking zoo rau cov kua nplaum quav, thiab tuaj yeem txhim kho qhov nqaij ntawm cov kua nplaum. Tsis tas li ntawd, yog siv cov tshuaj tua kab cure kho, 20% kev tov tshuaj kho tau sai.

Kev ua lag luam kev lag luam ua cov rosin kua nplaum, ciab emulsion thiab lwm yam kev sib txuas ntawm cov ntxhua khaub ncaws, kev kho dej xws li flocculant, tab sis kuj yog rau lub tshuab ua hluav taws tua hluav taws, kev siv ntawm alum, aluminium dawb raw cov ntaub ntawv, cov tshuaj dawb, cov tshuaj tsw qab, li ntawd. Tab sis kuj qhov siv thiab ua cov pob zeb gemstones thiab ntau dua ammonium alum. Arsenic ntsiab lus ntawm tsis tshaj 5 mg / kg ntawm cov khoom siv tau rau kev kho mob hauv cov dej ntws.

1. Kev lag luam daim ntawv siv los ua tus neeg saib xyuas daim ntawv txheeb kom ua tau zoo rau daim ntawv cov dej, kev tsis sib haum;

2. Cov dej ntws tawm hauv dej tuaj yeem ua rau cov dej nyob hauv cov khoom me me thiab tej yam ntuj tso rau hauv cov pob loj loj, thiab tshem tawm ntawm cov dej, nws yog siv dej thiab cov dej khib nyiab coagulants;

3. Siv raws li tus neeg haus dej purification ntawm turbid dej, kuj yog siv los ua khib nyiab, txhim kho tus neeg saib xyuas, tus tub luam thiab lwm yam. Siv tshuaj pleev ib ce raws li cov tshuaj pleev ib ce tshuaj pleev xim nqaij daim tawv (astringent);

4. Kev lag luam tua hluav taws, nrog cov baking soda, tus neeg ntxhib hluav taws xob uas muaj cov neeg ua hauj lwm tua hluav taws;

5. Tshawb xyuas cov tshuaj reagents, mordant, tanning agent, roj decolorizer, wood preservative;

6. Albumin pasteurization stabilizer (xws li kua los yog khov tag nrho cov qe, protein ntau los yog qe qe);

7. Yuav siv tau ua cov ntaub ntawv raw li kev tsim cov khoom siv lub pov haum thiab ntau dua ammonium alum, lwm cov aluminates;

8. Hauv kev lag luam roj, hauv kev tsim cov chrome daj thiab lub pas dej ntawm lub pas dej ua ke, thaum lub luag hauj lwm ntawm kev txhim kho thiab txheeb cov neeg sawv cev.


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