Cov txiaj ntsig ntawm calcium hydroxide yog dab tsi?
Cov txiaj ntsig ntawm calcium hydroxide yog dab tsi?
Anonim

Calcium hydroxide muaj ntau yam siv thoob plaws kev lag luam sib txawv, suav nrog kev tsim khoom noj. Nws kuj qee zaum siv hauv daim ntawv ntawm pickling txiv qaub rau canning hauv tsev. Thaum nws tuaj yeem ua rau koj cov qhob noom xim kasfes ntxiv, nws tseem ua rau cov kua qaub qab zib ua kua. Qhov no txo lawv cov tshuaj tua kab mob.

Ib yam li ntawd, koj tuaj yeem nug, kev siv calcium hydroxide hauv kev kho hniav yog dab tsi?

Calcium hydroxide ua tau siv raws li cov ntaub qhwv, rau qhov tsis ncaj thiab ncaj qha cov ntaub qhwv lub hauv paus, hnav khaub ncaws hauv paus, hauv paus kwj dej foob, kaw qhov ncauj.

Ib qho ntxiv, yuav ua li cas calcium hydroxide tua cov kab mob? Calcium hydroxide muaj pH siab (kwv yees li 12.5-12.8) thiab yog cais cov tshuaj raws li lub hauv paus muaj zog. Qhov ua kom tuag ntawm calcium hydroxide nyob rau kab mob hlwb yog tej zaum vim yog cov protein denaturation thiab puas tsuaj rau DNA thiab cytoplasmic daim nyias nyias. Calcium hydroxide yog kuj yog tus muaj txiaj ntsig zoo los tiv thaiv endotoxin.

Tom qab ntawd, ua li cas thaum cov tshuaj calcium hydroxide raug rau huab cua?

Quicklime tsis ruaj tsis khov thiab ua rau, feem ntau nrawm heev, nrog dej los tsim calcium hydroxide . Thaum twg raug rau huab cua qhov no calcium hydroxide tuaj yeem rov ua dua los ntawm kev nqus cov pa roj carbon dioxide los ntawm huab cua ib zaug ntxiv ua calcium carbonate. Qhov no yog hu ua lub voj voog.

Puas yog calcium hydroxide ntuj?

Calcium hydroxide , ib txwm hu ua slaked lime, hydrated lime or pickling lime, yog hmoov dawb mos thiab tau txais thaum twg calcium oxide (hu ua txiv qaub los yog txiv maj phaub) yog sib xyaw lossis "slaked" nrog dej. Lub npe ntawm ntuj mineral yog portlandite.

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