Dab tsi 4 yam tsim cov borax compound?
Dab tsi 4 yam tsim cov borax compound?

Video: Dab tsi 4 yam tsim cov borax compound?

Video: Dab tsi 4 yam tsim cov borax compound?
Video: dab neeg Leej Txiv Siab Nyoo Tua Me Nyuam Yam Tsim Txom Kawg Nkau 2024, Kaum ib hlis
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Borax feem ntau piav raws li Na 2 B 4O7· 10 H2O. Txawm li cas los xij, nws zoo dua formulated li Na 2[ B 4O5(OH)4] · 8 H2O, vim borax muaj cov [ B 4O5(OH)4]2- ib ion. Nyob rau hauv cov qauv no, muaj ob plaub-coordinate boron atoms (ob BO4 tetrahedra) thiab ob peb-coordinate boron atoms (ob BO3 daim duab peb sab).

Tom qab ntawd, cov ntsiab lus dab tsi yog borax ua los ntawm?

Borax, tseem hu ua sodium borate, sodium tetraborate hmoov , los yog disodium tetraborate hmoov , yog ib qho tseem ceeb boron compound, ntxhia, thiab a ntsev ntawm boric acid.

Muaj pes tsawg lub ntsiab lus nyob rau hauv ib lub molecule ntawm borax? Borax decahydrate yog ib qho complex tsim los ntawm ion [B4O5(OH)4]-2, uas muaj 4 boron atoms sib koom ua ke rau 7 oxygen atoms thiab tsim cov qauv bicyclic.

Xav txog qhov no, Borax compound yog dab tsi?

Sodium tetraborate decahydrate

Vim li cas borax thiaj raug txwv?

Txawm li cas los xij, FDA txwv tsis pub borax raws li a khoom noj khoom haus ntxiv, thiab European Chemicals Agency ntxiv nws rau lawv "cov npe ntawm cov khoom muaj kev txhawj xeeb heev" a ob peb xyoos dhau los. Lub siab alkalinity ntawm borax yog yuav ua li cas ua rau tawv nqaij khaus (xws li kev siv ntau tshaj ntawm baking soda yuav ua rau khaus).

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