Fume tagnrho-hlau hnav ua ib qho tseem ceeb nyob hauv lub biochemistry kuaj seb puas yog chaw muaj lub luag hauj lwm tseem ceeb, ces koj yuav tsum xaiv 認 tiag tiag raws li lub rooj indicators as ntawm qhov fume hood. Thaum twg koj yuav los ntawm tus xav txog kev teem nram qab no:
1, siv cov tshuaj: thaum siv organic reagents los yog lwm yam kev kuaj tshwj xeeb, yuav tau siab muab lub hwj xwm ceev.
2, kub: thaum thaum uas siv cov ntaus nrog ib lub qhov kub, kub tshaj 2000 kcal/me xav tias txog txij ua ke mus ua ke thiab ces seb qhov nyiaj uas muaj chaw dim pa pa hauv hwj huam kiv cua kub heev.
3, yog muaj tej ntaub ntawv los yog qhov kev tshuaj ntsuam perchlorate: xaiv hnav tshwj xeeb fume, tus pa ceev yog yuav muab ntau tshaj 0.5M / s.
4, thaum uas siv cov khoom thooj cov xeem loj: xav pab, tawm hauv qhov chaw tsim nyog rau cov qhov tso.
5 cov ntaub: siv tshwj xeeb acid test, yuav tsum xav hais tias muaj ib fume hood khoom, xws li semiconductor corrosion kev corrosion txog rau kev, thiab lwm yam yuav tsum tau ua.
6, seem me me: raws li kev tshuaj ntsuam cov xaiv nws txhua yam me me, tua pov tseg los, kev siv me me.