Thaum lub cev pH tsis ruaj khov, tsis zoo, lossis qhov kev sib tsoo, qhov teeb meem feem ntau yog ib qho hluav taws xob hauv av hauv qhov system, tshwj xeeb yog lub tank thiab / lossis cov kav dej. yog yas. Txhawm rau txheeb xyuas qhov teeb meem no, tshem tawm cov electrode thiab calibrate nws nyob rau hauv ib tug paub tsis nyob rau hauv lub beaker.
Dab tsi tuaj yeem ua rau pH sojntsuam muab cov ntawv nyeem tsis raug?
Dirty lossis faulty electrodes tuaj yeem ua rau txhua yam los ntawm cov lus teb qeeb rau kev nyeem ntawv tsis raug tag. Piv txwv li, yog tias ib zaj duab xis tseem nyob ntawm pH sensor tom qab ntxuav, qhov kev ntsuas qhov ua yuam kev tuaj yeem raug txhais yuam kev raws li qhov xav tau rau kev rov ntsuas dua.
Vim li cas pH ntsuas hloov pauv?
Lwm cov lus piav qhia ntawm qhov hloov pauv pH ntsuas suav nrog: Cov lus qhia electrode tsis txaus lossis tsis txuas ntxiv rau hauv cov tshuaj. Nyob rau hauv cov ntaub ntawv no nce lub ntsuas ntim. … Cov iav pH electrode tau khaws cia tsis raug thiab ua haujlwm tsis raug.
Koj ua li cas kom ruaj khov pH meter?
Yaug cov electrode nrog dej deionized thiab blot qhuav siv ib daim ntaub so ntswg (Shurwipes lossis Kimwipes muaj nyob rau hauv chav kuaj). 3. Muab cov electrode tso rau hauv cov tshuaj pH 7 tsis, cia cov zaub kom ruaj khov thiab, tom qab ntawd, teeb tsa cov zaub nyeem 7 los ntawm kev kho cal 1. Tshem tawm cov electrode ntawm qhov tsis.
Dab tsi ua rau pH poob?
pH kuj yog nyob ntawm temperature. Yog tias qhov kev daws teeb meem hloov pauv saiqhov kub thiab txias vim tias nws nyuam qhuav tawm ntawm lub tub yees, ces yuav muaj qee qhov drift raws li hydrogen ions hloov qib kev ua haujlwm. … Rau qhov hloov pauv kub ceev, nquag, yuav tsum muaj ib qho hluav taws xob tshwj xeeb.
