Puas yog chromite thiab chromium tib yam?
Puas yog chromite thiab chromium tib yam?

Video: Puas yog chromite thiab chromium tib yam?

Video: Puas yog chromite thiab chromium tib yam?
Video: Xov Xwm 03/21/2022: Hnub 26 Ntawm Tsov Rog Russia Thiab Ukraine & Keeb Kwm Russia Xav Tswj Ukraine 2024, Lub Xya hli ntuj
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Raws li lub npe sib txawv nruab nrab chromite thiab chromium

yog tias chromite yog (ntxhia) cov xim av xim av xim av nrog cov qauv fecr2o4 thaum chromium yog cov tshuaj lom neeg hlau (cim cr) nrog tus lej atomic ntawm 24.

Tsuas yog li ntawd, hom mining yog siv rau chromium?

Chromite tsuas. Chromite yog ib qho ntxhia uas muaj chromium. Nws suav tias yog cov ntxhia tseem ceeb, uas feem ntau txhais tau tias nws yog qhov tsim nyog rau kev siv tub rog thiab kev lag luam thaum lub sijhawm muaj xwm txheej ceev hauv tebchaws.

Ib tug kuj yuav nug, ua li cas koj paub tias koj muaj Chromite? Tes qauv kev qhia kom paub ntawm chromite xav tau kev saib xyuas ntawm: xim, lub ntiajteb txawj nqus, luster, thiab tus yam ntxwv xim av streak. Qhov tseem ceeb tshaj plaws clue rau qhia txog chromite yog nws lub koom haum nrog ultrabasic igneous pob zeb thiab metamorphic pob zeb xws li serpentinite. Chromite yog qee zaum sib nqus me ntsis.

Ib yam li ib tus yuav nug, dab tsi yog chromite ua piv txwv?

Cov ntaub ntawv. Chromite yog cov ntxhia uas yog hlau chromium oxide. Nws muaj cov tshuaj lom neeg ntawm FeCr2O4. Nws yog ib qho oxide ntxhia nyob rau hauv pawg spinel.

Yuav ua li cas rho tawm chromium los ntawm chromite?

Qhov feem ntau ntawm cov hlau no yog chromite , ib tug natural oxide ntawm hlau thiab chromium , uas qee zaum muaj oxides ntawm magnesium, txhuas thiab silicon. Chromium yog feem ntau muab rho tawm los ntawm nws cov ore los ntawm oxidation nyob rau hauv daim ntawv ntawm chromate, nyob rau hauv uas lub xeev nws valence yog rau.

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