Tuag burnt plaster yog anhydrous calcium sulphate sawv cev los ntawm cov tshuaj formula CaSO4.
Dab tsi yog siv cov plaster tuag?
Tuag hlawv plaster yog ib daim ntawv zoo tshaj ntawm plaster dua li ib txwm gypsum. Nws muaj ib qho nyuaj thiab ntau resistant tag. Nws yog siv nyob rau hauv qhov chaw tsheb loj thiab kev sib txhuam. Qee lub sij hawm nws xav tau qee tus neeg sawv cev qhov chaw uas nws tau siv los muab cov plaster tiav.
Yuav ua li cas cov nram qab no yog ib tug tuag burnt plaster?
Xaiv 1 yog lawm. Calcium sulphate yog tau thaum gypsum, CaSO4·2H2O, yog rhuab mus rau 393 K. Tshaj 393 K, tsis muaj dej ntawm crystallisation yog tshuav thiab anhydrous Calcium Sulphate, CaSO4 yog tsim. Qhov no hu ua 'tuag hlawv plaster.
Vim li cas hluav taws kub hnyiab hu ua tuag?
Thaum gypsum lossis plaster ntawm Paris yog rhuab tshaj 393 K, nws poob tag nrho cov dej ntawm crystallization thiab anhydrous calcium sulphate yog tau. … Yog vim li cas anhydrous calcium sulphate hu ua tuag burnt plaster.
YYuav hlawv gypsum yog dab tsi?
Kev piav qhia. Lub npe archaic rau Plaster ntawm Paris. Plaster yog npaj los ntawm kev hlawv gypsum kom tshem tawm cov dej ntawm crystallization, yog li tsim hemihydrate calcium sulfate.
