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Ukucoca ityhubhu yovavanyo lweLabhoratri kunye nendlela yokuxubha
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Indlela echanekileyo yokusetyenziswa kweglasi yokugquma?Yintoni eyenzayo kwaye isebenza njani?
Imakroskopu sisixhobo sokuqwalasela esisetyenziswa kakhulu ekufundiseni, kuphando lwenzululwazi kunye neminye imiba.Xa usebenzisa i-microscope, kukho "i-accessory" encinci i-Bibuke engekho, oko kukuthi, iglasi yokugubungela.Emva koko kufuneka sisebenzise njani iglasi yokugubungela ngokuchanekileyo?Iglasi yokugquma kufuneka icocwe...Funda ngokugqithisileyo -
Ukusetyenziswa kunye nezilumkiso zezitya ze-petri
Iiglasi ezitsha okanye ezisetyenzisiweyo kufuneka kuqala zifakwe emanzini ukuze zithambe kwaye zinyibilikise izixhobo.I-glassware entsha kufuneka ihlanjwe ngokulula ngamanzi ompompo ngaphambi kokusetyenziswa, kwaye emva koko ifakwe ubusuku bonke nge-5% ye-hydrochloric acid;I-glassware esetyenzisiweyo ihlala idityaniswe nenani elikhulu leprotheyini kunye negrisi, yomile emva kwayo ...Funda ngokugqithisileyo -
Indlela yokukhetha iingcebiso zepipette?
01 Izinto eziphathekayo zentloko yokufunxa Okwangoku, i-pipette nozzle kwimarike isebenzisa iplastiki ye-polypropylene, ebizwa ngokuba yi-PP, luhlobo lweplastiki engabonakaliyo engenambala kunye ne-inertia ephezulu yeekhemikhali kunye nobubanzi obushushu.Nangona kunjalo, okufanayo yi-polypropylene, kuya kubakho ...Funda ngokugqithisileyo
