nyob ze1

Cov khoom

Boron
Qhov tsos Xim av dub
Theem ntawm STP Khoom khov kho
Qhov kub yaj 2349 K (2076 °C, 3769 °F)
Kub taw tes 4200 K (3927 °C, 7101 °F)
Qhov ceev thaum kua (ntawm mp) 2.08 g/cm3
Kub ntawm kev sib xyaw 50.2 kJ/mol
Kub ntawm kev ua pa 508 kJ/mol
Lub peev xwm cua sov Molar 11.087 J/(mol·K)
  • Hmoov Boron

    Hmoov Boron

    Boron, ib yam tshuaj lom neeg uas muaj lub cim B thiab tus lej atomic 5, yog ib yam hmoov dub/xim av tawv thiab tsis muaj zog. Nws muaj zog heev thiab yaj tau hauv cov kua qaub nitric thiab sulfuric uas muaj concentrated tab sis tsis yaj tau hauv dej, cawv thiab ether. Nws muaj peev xwm nqus tau neutro siab.
    UrbanMines tshwj xeeb hauv kev tsim cov hmoov Boron uas muaj qhov huv siab nrog qhov me me tshaj plaws. Peb cov hmoov hmoov txheem feem ntau yog li ntawm - 300 mesh, 1 microns thiab 50 ~ 80 nm. Peb kuj tseem tuaj yeem muab ntau yam khoom siv hauv nanoscale. Lwm cov duab muaj los ntawm kev thov.