Ua ntej, peb paub tias Gypsum yog ib qho ntawm cov calcium uas feem ntau. Nws yog npaj los ntawm cov tshuaj tiv thaiv ntawm calcium hydroxide, lossis calcium carbonate nrog dilute sulfuric acid . > Tam sim no, peb tuaj yeem pom calcium sulphate calcium sulphate Cov ntsiab lus ntawm calcium sulfate yog ib txwm muaj tshwm sim gypsum thiab anhydrite, uas tshwm sim nyob rau ntau qhov chaw thoob ntiaj teb li evaporites. Cov no tuaj yeem muab rho tawm los ntawm kev qhib-cam khwb cia lossis los ntawm kev sib sib zog nqus mining. Ntiaj teb kev tsim khoom ntawm ntuj gypsum yog nyob ib ncig ntawm 127 lab tonnes ib xyoos twg. https://en.wikipedia.org › wiki › Calcium_sulfate
Calcium sulfate - Wikipedia
yog tsim los ua cov khoom lag luam nrog cov dej molecules, thiab lawv txuas ntxiv los ua cov calcium sulphate dihydrate.
Yuav ua li cas gypsum npaj los ntawm pop?
Plaster ntawm paris yog npaj los ntawm cua sov calcium sulfate dihydrate, los yog gypsum, mus rau 120–180 ° C (248–356 ° F). … Nrog rau kev ntxiv rau retard lub teeb, nws yog hu ua phab ntsa, lossis phab ntsa tawv, plaster, uas tuaj yeem muab kev tiv thaiv hluav taws tsis zoo rau sab hauv.
Yuav ua li cas koj npaj gypsum muab equation?
Cov plaster ntawm Paris yog npaj los ntawm cua sov gypsum ntawm 120oC . Cov tshuaj formula rau lub plaster ntawm Paris yog (CaSO4) H2O thiab paub zoo dua li calcium sulfate hemihydrate.
YYuav ua li cas thiaj tau gypsum?
Gypsum / Anhydrite yog tsim los ntawm cov mines qhib, lossis cov mines hauv avsiv pillar thiab stall mining txoj kev, uas muab cov nqi rho tawm txog li 75%. Gypsum feem ntau tsuas yog tshuaj xyuas kom tshem tawm ' nplua' (tsuas yog av nkos), ces crushed thiab finely av.
txheej txheem gypsum yog dab tsi?
Gypsum pob zeb yog hloov mus rau hauv gypsum plaster los ntawm kev tsav tsheb tawm ntawm qee cov dej sib xyaw ua ke. Cua sov gypsum ntawm 120 ° C rau ib teev ua rau muaj hemi-hydrate (CaSO4. 1⁄2H2O) - nrog peb lub hlis twg ntawm cov dej tshem tawm. … Gypsum plaster teeb los ntawm kev sib xyaw nrog dej los tsim cov khoom calcium sulphate dihydrate.