Thermo Fisher's single-channel manual pipettes cost kwv yees $300 apiece, tab sis ib qho hluav taws xob pipette yuav khiav koj li $700. Eppendorf's ib leeg-channel phau ntawv pipettors raug nqi $ 348, hais tias Melinda Sheehan, lub tuam txhab tus thawj tswj hwm North American cov khoom lag luam ua kua; hluav taws xob pipettes pib ntawm $730.
pib tus nqi npaum li cas?
Tseem muaj cov ntim ntim ntim uas tuaj yeem yuav tau rau kwv yees $20 txog $25 txhua(los yog ib ncig ntawm $200 txog $250 rau ib txheej ntawm 10). Txawm li cas los xij, cov cuab yeej no tsuas tuaj yeem ntsuas cov kua dej tshwj xeeb, thiab kev sim tshuaj lom neeg feem ntau xav tau kev hloov pauv ntawm ntau qhov sib txawv.
Vim li cas pipettes thiaj kim?
Cov pipettes no kim vim lub chim thiab lub taub yog ib chav tsev thiab ob qho tib si hloov thaum pipetting. Lwm txoj hauv kev pheej yig dua yog siv lub tshuab xa hluav taws xob cua nrog cov lus qhia thaiv, tab sis cov no tsuas yog daws qee qhov teeb meem xwb.
Ntev npaum li cas lub raj xa dej?
Pipettes Hloov
hloov pipettes tsis yog-sterile thiab ua los ntawm cov yas qis-density polyethylene (LDPE). Peb 3ml pipettes tau kawm tiav mus txog 1ml hauv 0.25ml increments thiab yog 140mm ntev, peb 5ml pipettes kawm tiav mus txog 1ml hauv 0.25ml increments thiab yog 150mm ntev, thiab peb 7ml pipettes kawm tiav. …
Qhov txawv ntawm pipette thiab burette yog dab tsi?
Yog li, qhov sib txawv tseem ceeb ntawm burette thiab pipette yog hauv lawv txoj kev tso tawm. Burettes muaj lub stopcock nyob rau hauv qab thaum lub pipette muaj ib tug dropper zoo li lub kaw lus uas tso kua rau hauv qhov xav tau npaum li cas los ntawm txo lub nqus tsev vacuum. Tsis tas li ntawd, lub pipette yog me dua burette.
