Video: Kuv yuav ua li cas ntxuav kuv bluelab pH meter?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
ib ncig tus glassware nrog ob peb tee ntawm Bluelab pH Probe Cleaner los yog tshuaj ntxuav me me (cov kua dej ntxuav tais diav) thiab txhuam hniav mos. Yaug qhov kev sojntsuam tip wellunder dej kais dej tshiab kom tshem tawm tag nrho cov kab ntawm tus xab npum sib tov. soj ntsuam lus qhia. Soak rau 24 teev.
Ntxiv mus, koj yuav ua li cas ntxuav lub pH meter?
Tig lub zog rau lub pH ntsuas . Noj cov pHmeter electrode tawm ntawm nws cov tshuaj cia, yaug nws nrog dej distilled thiab so nws huv si nrog Kimwipe. Noj cov huv si electrode thiab submerge nws mus rau hauv lub pH 7 tsis.
Tom qab ntawd, lo lus nug yog, Kuv yuav qhib kuv lub ntsuas pH li cas? Cov kauj ruam
- Qhib koj lub ntsuas pH. Ua ntej koj pib ntsuas thiab siv koj lub ntsuas pH koj yuav tsum xub qhib nws thiab tso cai rau lub sijhawm txaus rau lub ntsuas kub kom sov.
- Ntxuav koj lub electrode. Tshem cov electrode tawm ntawm nws cov kev daws teeb meem thiab yaug nws nrog dej distilled nyob rau hauv ib qho khib nyiab khib nyiab.
- Npaj koj cov buffers.
Ua raws li qhov no, Kuv yuav khaws kuv tus cwj mem bluelab pH li cas?
Qhov chaw pH pen upright hauv ib lub thawv me me. Ntxiv txaus Bluelab pH Sib KCl Cia Kev daws rau submerge qhov kev sojntsuam taub. Cia kom ntub dej tsawg kawg 24 teev. Tom qab hydration, ib txwm yaug cov lus sojntsuam hauv dej tshiab, ces calibrate lub pH pen kom paub meej qhov tseeb.
Koj puas tuaj yeem ntsuas pH ntsuas nrog dej kais dej?
Calibrating pH meters . A pH meter tau tsuas yog muaj tseeb yog ua tau calibrated . pHcalibration kev daws teeb meem yog buffers thiab lawv pH tsis cuam tshuam los ntawm ib qho me me ntawm distilled dej , uas muajvirtually tsis muaj peev xwm buffering. Ib lub ntim me me ntawm kev daws (feem ntau pH 7 ua ntej) yuav tsum tau siv rau calibration.
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