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Tsev > daim ntawv qhia

Slaked txiv qaub

Cawv, thiab lwm yam khoom qab zib slaked lime yog ib hom tshuaj tsis tau teev tseg uas tau siv ntau hom rau ntau xyoo. Hauv tsab xov xwm no koj yuav pom txhua qhov tseeb uas koj xav paub txog Top Choosing Chemical txiv qaub ntsuab, thiab khaws qee cov lus qhia zoo txog yuav siv nws li cas hauv koj lub tsev thiab lub vaj, ib yam li cov neeg ua vaj tse thiab cov neeg ua liaj ua teb uas paub txog kev lig kev cai thiab cov neeg nyiam kho kom zoo nkauj hauv tsev, tsis txhob hais txog cov neeg uas tsom mus rau kev siv tshuaj ntsuab xwb.

Cov khoom siv no tau siv rau hauv kev tsim kho thiab kev tsim kho tau ntev lawm, vim nws tsim cov khoom muaj zog thiab ruaj khov. Thaum muab dej sib xyaw nrog xuab zeb, cov kua qaub ntsuab ua cov khoom hu ua lime plaster. Nws yog siv ua mortar thiab plaster rau phab ntsa thiab qab nthab thiab npog nrog ib qho chaw du thiab ci ntsa iab. Nws kuj tseem siv ua ke nrog lwm cov ntaub ntawv los tsim cov tsev, cov tsev thiab lwm yam qauv. vim li cas thiab cov neeg ua vaj tse, nrog rau cov kws kes duab vajtse, tau tig mus rau slaked lime ntau heev.


Cov Tshuaj Lom Zem thiab Cov Khoom ntawm Slaked Lime

Calcium hydroxide yog tsim los ntawm cov txiv qaub slaked. Nws tsis ua rau dej sib xyaws, tab sis nws ua cov txiv qaub slaked thaum ntxiv dej rau nws los ua cov hmoov qhuav, quicklime (calcium oxide). Cov txheej txheem no hu ua slaking. Dej txiv qaub yog cov hmoov dawb crystalline thiab tsuas yog me ntsis soluble hauv dej. Qhov no yog vim nws yog alkaline heev, nrog pH ntawm 12.5. Qhov no yog qhov ua tau ntau yam hauv Top Choosing Chemical. txiv qaub ntsuab thiab txiv qaub ntsuab slaked qhov ntawd ua rau nws yog ib qho tshuaj siv dav dav: nws tuaj yeem ua tau ntau yam.

Cov khoom lag luam muaj feem xyuam

Tsis nrhiav qhov koj tab tom nrhiav?
Hu rau peb cov kws pab tswv yim rau cov khoom muaj ntau dua.

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