Phau Ntawv Qhia Txog Kev Tshawb Fawb Funnels: Hom, Kev Siv, thiab Daim Ntawv Thov

Ntsiab lus

Funnels yog cov cuab yeej tseem ceeb hauv chav kuaj, siv rau kev hloov cov kua, hmoov, thiab ua cov haujlwm pom. Txhua hom funnel ua haujlwm tshwj xeeb raws li cov txheej txheem kuaj. Hauv qab no yog ib qho kev sib cais ntawm ntau hom Laboratory funnels thiab lawv siv:

1. Conical Funnel

• lub hom phiaj: Kev siv dav dav rau kev hloov cov kua thiab hmoov.
• Cov Tseem Ceeb Tseem Ceeb: Lub qhov ncauj dav thiab nqaim qia kom tsis txhob nchuav.

2. Lim Funnel

• lub hom phiaj: Siv nrog cov ntawv lim kom cais cov khib nyiab ntawm cov kua.
• Cov Tseem Ceeb Tseem Ceeb: Zoo tagnrho rau kev pom hauv kev sim tshuaj.

3. Separatory Funnel

• lub hom phiaj: Sib cais cov kua dej tsis sib haum, xws li roj thiab dej.
• Cov Tseem Ceeb Tseem Ceeb: Precise tswj nrog lub stopcock kom yooj yim kua sib cais.

4. Büchner Funnel

• lub hom phiaj: Vacuum filtration rau kev sib cais sai ntawm cov khib nyiab ntawm cov kua.
• Cov Tseem Ceeb Tseem Ceeb: Ua haujlwm nrog lub tshuab nqus tsev nqus kom pom sai.

5. Hirsch Funnel

• lub hom phiaj: Lub tshuab nqus tsev me me.
• Cov Tseem Ceeb Tseem Ceeb: Zoo tagnrho rau lim cov feeb kom muaj nuj nqis ntawm cov khoom siv.

6. Thistle Funnel

• lub hom phiaj: Ntxiv cov kua rau hauv lub kaw lus kaw tsis muaj roj to.
• Cov Tseem Ceeb Tseem Ceeb: Siv nyob rau hauv titration los yog tswj cov tshuaj tiv thaiv.

7. Hmoov Funnel

• lub hom phiaj: Hloov cov hmoov zoo los yog granules.
• Cov Tseem Ceeb Tseem Ceeb: Ntev caj dab tiv thaiv kev nchuav thaum hmoov hloov.

8. Micro Funnel

• lub hom phiaj: Hloov cov kua los yog cov khoom me me heev.
• Cov Tseem Ceeb Tseem Ceeb: Zoo tagnrho rau kev ntsuas qhov tseeb hauv microanalysis.

9. Safety Funnel

• lub hom phiaj: Kev nyab xeeb hloov ntawm cov kua dej txaus ntshai los yog volatile.
• Cov Tseem Ceeb Tseem Ceeb: Tsim los nrog cov yam ntxwv kev nyab xeeb los tiv thaiv kev nchuav thiab raug.

1. Conical Funnel

• pab: Lub conical funnel feem ntau yog siv los hloov cov kua los yog cov hmoov zoo rau hauv cov thawv uas muaj qhov qhib me me, pab tiv thaiv kev nchuav thiab khib nyiab. Nws yog feem ntau siv nyob rau hauv ob qho tib si chemical thiab biological labs.
• khoom: Conical funnels tuaj yeem ua los ntawm iav, yas, lossis stainless hlau, nyob ntawm cov khoom siv tshuaj lom neeg ntawm cov khoom siv.
• Ntsiab nta: Lub qhov ncauj dav thiab nqaim qia pab kom muaj kev sib hloov zoo.

2. Lim Funnel

• pab: Qhov funnel no yog tsim los ua haujlwm nrog cov ntawv lim kom cais cov khib nyiab ntawm cov kua hauv cov khoom sib tov, yog ib kauj ruam tseem ceeb hauv ntau cov txheej txheem tshuaj.
• Daim ntawv thov: Lim funnels nquag siv hauv kev pom, uas yog qhov tseem ceeb rau kev cais cov precipitates lossis purifying kua los ntawm kev tshem tawm cov khoom impurities.
• Ntsiab nta: Nws txoj kab uas hla loj dua tso cai rau kev tso chaw yooj yim ntawm cov ntawv lim thiab tswj cov kua dej.

3. Separatory Funnel

• pab: Ib qho kev sib cais yog siv los cais cov kua dej tsis sib xws, xws li roj thiab dej, los ntawm kev siv lawv qhov sib txawv. Nws tso cai rau tus neeg siv kom ntws cov kua dej denser los ntawm lub stopcock hauv qab.
• Daim ntawv thov: Nws yog ib qho cuab yeej tseem ceeb hauv cov txheej txheem ua kua-kua extraction, tshwj xeeb tshaj yog nyob rau hauv cov organic chemistry rau kev sib cais aqueous thiab organic theem.
• Ntsiab nta: Lub stopcock muab kev tswj xyuas meej ntawm qhov ntws, thiab cov duab pear pab nrog kev sib cais zoo ntawm ob theem.

4. Hmoov Funnel

• pab: Powder funnels yog tsim tshwj xeeb rau kev hloov cov khoom siv, tshwj xeeb tshaj yog cov hmoov zoo los yog cov khoom siv granular, rau hauv cov thawv uas muaj qhov qhib nqaim.
• Daim ntawv thov: Siv thaum tuav cov khoom qhuav xws li hmoov reagents lossis tshuaj.
• Ntsiab nta: Qhov ntev, nqaim qia ua kom muaj qhov nchuav me me, thaum lub qhov ncauj dav tso cai rau cov hmoov hloov tau yooj yim.

5. Büchner Funnel

• pab: Büchner funnels yog siv nyob rau hauv lub tshuab nqus tsev pom, uas yuav pab kom ceev cov txheej txheem pom los ntawm kev tsim suction los ntawm lub tshuab nqus tsev vacuum.
• Daim ntawv thov: Feem ntau siv nyob rau hauv cov organic thiab inorganic chemistry rau lim cov khib nyiab los ntawm cov kua nyob rau hauv lub siab txo.
• Ntsiab nta: Lub funnel muaj lub tiaj tus, perforated phaj nyob rau hauv qab qhov twg lim ntawv yog muab tso rau, thiab nws yog siv ua ke nrog lub tshuab nqus tsev vacuum.

6. Hirsch Funnel

• pab: Zoo ib yam li Büchner funnel tab sis tsim los rau kev ua haujlwm me me, tshwj xeeb tshaj yog rau kev sib cais ntawm cov khoom me me ntawm cov kua siv lub tshuab nqus tsev pom.
• Daim ntawv thov: Siv rau kev nplua, cov ncauj lus kom ntxaws uas tsuas yog ib qho me me ntawm cov khoom xav tau lim.
• Ntsiab nta: Cov me me nrog lub hauv paus zoo sib xws, nws yog qhov zoo tagnrho rau cov txheej txheem ua haujlwm me me.

7. Ntxawm Tsab

• pab: Lub qhov quav no yog siv los ntxiv cov kua maj mam mus rau hauv cov hlab ntsha, feem ntau yog kaw kaw, tsis ua rau cov pa tawm.
• Daim ntawv thov: Nws yog feem ntau ua hauj lwm hauv kev sim titration los yog tshuaj lom neeg cov tshuaj tiv thaiv uas yuav tsum tau muaj cov kua ntxiv uas tsis muaj kev cuam tshuam rau lub cev lub siab.
• Ntsiab nta: Nws lub caj dab ntev tso cai rau cov kua dej nkag ncaj qha rau hauv lub kaw lus nrog kev cuam tshuam tsawg, thiab nws lub raj nyias nyias tiv thaiv cov pa tawm.

8. Micro Funnel

• pab: Micro funnels yog siv rau kev hloov me me ntawm cov kua lossis hmoov. Cov no yog qhov tseem ceeb hauv kev sim uas yuav tsum tau tuav cov khoom tsawg kawg nkaus.
• Daim ntawv thov: Feem ntau siv rau hauv microanalysis, biology, lossis kws tshuaj qhov twg txawm tias feeb yuam kev hauv kev ntsuas tuaj yeem cuam tshuam cov txiaj ntsig.
• Ntsiab nta: Lawv me dua li cov qauv funnels, tso cai rau kev ntsuas kom raug thiab hloov cov khoom me me.

9. Kev nyab xeeb Funnel

• pab: Kev nyab xeeb funnels yog tsim los hloov cov kua dej txaus ntshai los yog volatile yam xyuam xim. Lawv feem ntau suav nrog cov yam ntxwv zoo li lub siab nyem li qub lossis txaws tiv thaiv los tiv thaiv tus neeg siv los ntawm cov pa taws los yog nchuav.
• Daim ntawv thov: Siv nyob rau hauv cov xwm txheej uas cov kua tshuaj lom los yog flammable yuav tsum tau ua, xws li tshuaj ua los yog cia.
• Ntsiab nta: Cov funnels no yog engineered los xyuas kom meej kev nyab xeeb thaum lub sij hawm hloov lwm lub tsev, txo cov kev pheej hmoo ntawm kev huam yuaj thiab raug rau tej yam txaus ntshai.

FAQ

1. Lub hom phiaj ntawm lub conical funnel nyob rau hauv ib chav kuaj yog dab tsi?

• teb: Ib qho conical funnel yog siv rau kev hloov pauv yooj yim ntawm cov kua lossis cov hmoov zoo rau hauv cov thawv nrog qhov qhib nqaim. Nws lub qhov ncauj dav thiab nqaim qia pab txo cov nchuav thiab pov tseg, ua rau nws muaj ntau yam cuab yeej hauv kev sim tshuaj lom neeg thiab tshuaj lom neeg.

2. Thaum twg yuav tsum tau siv Büchner funnel es tsis txhob lim funnel?

• teb: Büchner funnel yog qhov zoo tshaj plaws thaum koj xav tau ua lub tshuab nqus tsev pom, uas ua kom cov txheej txheem los ntawm kev siv nqus. Nws yog feem ntau siv hauv chemistry kom cais cov khib nyiab los ntawm cov kua sai sai, tshwj xeeb tshaj yog thaum cuam tshuam nrog cov ntim loj dua lossis xav tau kom pom sai dua piv rau cov lim dej tsis tu ncua.

3. Dab tsi yog qhov kev siv tseem ceeb ntawm kev sib cais funnel?

• teb: Ib qho kev sib cais yog siv los cais cov kua dej tsis sib xws, xws li roj thiab dej, raws li lawv qhov sib txawv ntom ntom. Nws nquag ua hauj lwm hauv cov kua-kua extraction cov tswv yim hauv cov organic chemistry, qhov twg yuav tsum tau cais cov organic thiab aqueous theem.

4. Lub thistle funnel ua haujlwm li cas hauv chav kuaj?

• teb: Ib lub qhov quav no tso cai rau qeeb, tswj cov kua ntxiv rau lub kaw lus kaw yam tsis tso pa tawm lossis cuam tshuam cov tshuaj tiv thaiv. Nws yog feem ntau siv hauv kev sim titration lossis thaum ntxiv cov tshuaj reactants rau lub kaw lus uas yuav tsum tau kaw.

5. Cov yam ntxwv kev nyab xeeb dab tsi ua kev nyab xeeb funnels muab rau kev tuav cov tshuaj lom neeg puas tsuaj?

• teb: Kev nyab xeeb funnels yog tsim los nrog built-in nta xws li splash guards, siab nyem li qub, thiab tshwj xeeb tsim los tiv thaiv kom txhob raug cov pa phem los yog nchuav. Lawv yog ib qho tseem ceeb thaum hloov cov kua dej tsis haum lossis tsis zoo, txo qhov kev pheej hmoo ntawm kev sib tsoo thiab ua kom muaj kev nyab xeeb ntawm cov tshuaj hauv chav kuaj.