Dab tsi yog Qhov Common Lab Glassware
Jan 03, 2024
Tso lus
Lab Glassware, tseem hu ua Laboratory glassware, yog ib qho kev sim siv ntau hauv cov chaw kuaj tshuaj. Lawv feem ntau yog ua los ntawm iav thiab muaj cov yam ntxwv xws li kub tsis kam, corrosion kuj, thiab siab transparency. Thaum siv lab iav, nws yog ib qho tseem ceeb kom nco ntsoov cov ntsiab lus hauv qab no:
1. Txheeb xyuas qhov huv ntawm lub khob iav kom tsis txhob muaj qhov paug ntawm qhov kev sim.
2. Ua tib zoo saib xyuas qhov kub thiab siab ntau yam thaum siv, kom tsis txhob tawg lossis tawg vim muaj peev xwm tshaj lub thawv ntim khoom.
Ua ntej siv, lub khob iav yuav tsum tau kuaj xyuas cov kab nrib pleb lossis kev puas tsuaj, thiab tej yam txawv txav yuav tsum tau hloov raws sijhawm.
4. Thaum cua sov lossis cua txias, cov khoom siv cua sov uas tsim nyog lossis cua txias yuav tsum tau siv kom tsis txhob muaj cua sov ncaj qha lossis cua txias, txhawm rau tiv thaiv cov iav los ntawm kev tawg lossis tawg.
5. Tom qab siv cov iav iav, nws yuav tsum tau ntxuav tam sim ntawd thiab khaws cia rau hauv qhov chaw qhuav thiab txias.
Raws li ib qho tseem ceeb ntawm kev sim ntsuas hauv chav kuaj chemistry, kev siv thiab kev saib xyuas ntawm cov iav iav yog qhov tseem ceeb los xyuas kom meej qhov tseeb thiab kev nyab xeeb ntawm kev sim cov txiaj ntsig.
Lab Glassware tau siv ntau yam kev sim tshuaj, thiab cov hauv qab no yog qee qhov kev sim uas yuav tsum tau siv Lab Glassware:
1. Kev sim acid-base titration: Siv lub burette los ua haujlwm titration thiab ntsuas qhov concentration ntawm cov tshuaj.
2. Kev npaj tshuaj: Siv lub khob ntim ntim los npaj ib qho kev daws teeb meem.
3. Distillation thiab fractionation: Siv lub tshuab distillation cais thiab purify kua.
4. Kev sim combustion: Siv cov cuab yeej xws li rab diav combustion los ua kev sim combustion ntawm cov khoom siv hluav taws xob.
5. Kev sib cais centrifuge: Siv lub centrifuge raj rau cov khoom sib cais-kua sib cais los yog cell sib cais.
6. Sedimentation thiab filtration: Siv cov cuab yeej xws li beakers thiab funnels rau sedimentation thiab filtration operations.
7. Colorimetry thiab spectrophotometers: Siv cov cuab yeej xws li cov raj xim xim thiab cov spectrophotometers los txiav txim cov ntsiab lus ntawm cov khoom.
8. Cua sov thiab cua txias: Siv beakers, flasks, condenser raj, thiab lwm yam rau cua sov los yog txias ua hauj lwm.
Cov saum toj no tsuas yog qee qhov kev sim ntau. Qhov tseeb, yuav luag txhua qhov kev sim tshuaj yuav tsum tau siv Lab Glassware vim tias lawv muaj kev ruaj khov thiab tshuaj lom neeg, ua rau lawv yog ib qho tseem ceeb rau kev ua tiav ntau yam kev sim tshuaj.
Kev siv cov xwm txheej ntawm Lab Glasswore yog qhov dav heev, npog yuav luag txhua qhov kev sim tshuaj. Nov yog qee qhov xwm txheej siv rau Lab Glasswear:
1. Kev tshuaj xyuas tshuaj: Lab Glasswore feem ntau yog siv rau hauv kev sim tshuaj lom neeg, xws li titration, spectrophotometric tsom, chromatographic tsom, thiab lwm yam. Cov kev sim no yuav tsum tau siv ntau yam iav los tuav cov tshuaj reagents, kuaj, thiab kho cov kev daws teeb meem.
2. Cov khoom siv hluavtaws: Hauv kev sim cov khoom siv hluavtaws, Lab Glasswore yog siv rau kev sib xyaw, cua sov, cua txias, thiab lwm yam haujlwm. Piv txwv li, nyob rau hauv kev npaj ntawm inorganic tebchaw, organic compounds, los yog complexes, ntau yam iav yuav tsum tau rau cov tshuaj tiv thaiv thiab sib cais.
3. Kev sim tshuaj lom neeg: Hauv kev sim tshuaj lom neeg thiab tshuaj lom neeg, Lab Glasswore feem ntau yog siv rau cov kab lis kev cai ntawm tes, kev sib cais ntawm biomolecules, thiab tshawb nrhiav cov qauv lom. Piv txwv li, hauv kev sim kab lis kev cai ntawm tes, nws yog ib qho tsim nyog yuav tsum siv iav los tuav cov kab lis kev cai nruab nrab thiab cov hlwb.
4. Kev saib xyuas ib puag ncig: Hauv kev soj ntsuam ib puag ncig, Lab Glasswore yog siv los sau, txheej txheem, thiab kuaj dej, av, thiab huab cua. Piv txwv li, thaum ntsuas cov ntsiab lus oxygen yaj hauv cov qauv dej, nws yuav tsum siv cov iav los tuav cov qauv dej thiab cov tshuaj reagents.
5. Kev sim kev tshawb fawb: Hauv kev sim tshawb fawb, Lab Glasswore yog siv los tshawb nrhiav cov tshuaj lom neeg tshiab, tshawb pom cov tebchaw tshiab, lossis kawm txog cov khoom ntawm cov khoom. Piv txwv li, nyob rau hauv cov khoom siv tshiab synthesis thwmsim, iav yog xav tau rau cov tshuaj tiv thaiv thiab tom qab kho.
Hauv cov ntsiab lus, kev siv cov xwm txheej ntawm Lab Glasswore yog qhov dav heev, npog yuav luag txhua qhov kev sim tshuaj. Lab Glasswore yog ib qho tseem ceeb ntawm kev sim cov cuab yeej hauv kev qhia, kev tshawb fawb tshawb fawb, thiab kev tsim khoom lag luam.
Common Lab Glasswear muaj xws li hauv qab no:
1. Bunsen Flask: Siv rau kev sib xyaw, cua sov, thiab kev ua haujlwm txias, nws yog ib qho ntawm cov khoom siv iav feem ntau siv hauv kev sim tshuaj.
2. Erlenmeyer Flask: Nrog lub pear zoo li lub voj voog hauv qab, nws yog siv rau kev sib xyaw, cua sov, thiab fermentation thwmsim, thiab feem ntau yog siv rau hauv cov organic synthesis thiab biochemical thwmsim.
3. Conical Flask: Ib lub khob iav uas muaj lub hauv qab thiab lub caj dab nqaim, siv rau kev sim cua sov, evaporation, thiab nag lossis daus, feem ntau siv rau hauv kev tshuaj ntsuam xyuas thiab kev sim npaj.
4. volumetric flask: ib khob iav siv rau kev ntsuas kom raug thiab dilution ntawm cov kev daws teeb meem, nrog tus qauv muaj peev xwm thiab nplai.
5. Colorimeter: Ib lub khob iav siv rau kev tshuaj ntsuam colorimetric, nrog cov qauv ntsuas thiab cov phab ntsa raj, siv los ntsuas cov xim thiab cov ntsiab lus ntawm cov tshuaj.
6. Titration Pipette: Ib lub khob iav siv hauv kev sim titration, nrog cov nplais thiab cov phab ntsa ntawm lub raj, rau kev ntsuas qhov ntim thiab qhov concentration ntawm cov tshuaj.
7. Condenser: Lub khob iav siv rau condensation thiab reflux, feem ntau yog tsim los ntawm cov iav raj thiab ntau yam pob qij txha, siv rau condense thiab reflux chav rau hauv cov tshuaj tiv thaiv.
8. Centrifuge Tube: Ib lub khob iav siv rau kev sib cais centrifugal, feem ntau nrog lub hau kaw ntom nti, rau tuav cov qauv thiab cov tshuaj reagents rau kev sib cais centrifugal.
9. Petri tais: Ib lub khob iav siv los cog cov kab mob thiab cov hlwb, feem ntau nrog lub tiaj tiaj hauv qab thiab lub hau, siv los tuav kab lis kev cai nruab nrab thiab cov qauv ntawm tes.
10. Microscope swb: Ib lub iav swb siv los tso cov qauv kuaj kab mob, feem ntau nrog cov npoo du thiab tus qauv loj, rau kev soj ntsuam morphology ntawm cov hlwb thiab cov ntaub so ntswg.
Cov saum toj no tsuas yog ib feem ntawm Lab Glassware, thiab yeej muaj ntau lwm hom iav. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov iav uas tsim nyog raws li qhov kev xav tau sib txawv.