Tes Saib iav

Lub iav tsom iav yog ib qho khoom siv me me, lub voj voos zoo ib yam li lub khob iav, uas feem ntau ua los ntawm cov cua sov- iav borosilicate iav los yog dej qab zib ntshiab - txiv qaub iav. Nws lub npe muab los ntawm nws cov keeb kwm zoo sib xws hauv cov duab rau lub iav npog ntawm lub hnab tshos saib.

Feem ntau siv los tuav cov khoom me me, kua, lossis cov qauv, nws ua haujlwm rau ntau lub hom phiaj hauv chav kuaj:

Evaporation: It can hold liquids over a heat source (e.g., a beaker of boiling water) to gently evaporate solvents, leaving behind solids or concentrated residues.

Npog: Nws feem ntau ua raws li lub hau xoob rau beakers lossis flasks, tiv thaiv plua plav, kab mob, los yog splatters los ntawm kev nkag mus thaum tso pa tawm.

Qhov hnyav: Nws lub tiaj, huv si ua rau nws haum rau tuav cov qauv khoom thaum lub sij hawm hnyav ntawm qhov sib npaug, tshwj xeeb tshaj yog cov khoom siv hmoov lossis cov khoom me me.