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PH meter siv thiab tu

Mar 17, 2023

PH meter siv thiab tu

 

Lub ntsuas acidity yog hu ua pH meter, uas muaj ob ntu: electrode thiab lub ntsuas hluav taws xob. Yog tias cov electrodes tuaj yeem tswj tau qhov tsim nyog, cov txheej txheem tsis haum tuaj yeem npaj tau raws li qhov yuav tsum tau ua, thiab lub ntsuas hluav taws xob tuaj yeem ua haujlwm raug thaum siv, qhov yuam kev ntawm pH qhia tau txo qis, yog li txhim kho kev ntseeg siab ntawm kev sim tshuaj thiab tshuaj xyuas kev kho mob. cov ntaub ntawv.


1. Kev siv thiab tu cov electrodes Tam sim no, cov electrodes siv nyob rau hauv lub chaw soj nstuam yog tag nrho cov composite electrodes, uas muaj qhov zoo ntawm kev siv yooj yim, tsis cuam tshuam los ntawm oxidizing los yog txo cov tshuaj, thiab qhov sib npaug ceev ceev. Thaum siv, tshem lub tes tsho roj hmab ntawm lub electrode filling chaw nres nkoj thiab lub tes tsho roj hmab hauv qab kawg kom tswj tau qhov sib txawv ntawm qhov sib txawv ntawm cov tshuaj potassium chloride hauv cov electrode.


Cov hauv qab no yog cov lus qhia luv luv rau kev siv thiab tu cov electrodes:


1. Thaum tsis siv cov hluav taws xob sib xyaw, nws tuaj yeem ua tiav hauv 3M potassium chloride tov. Tsis txhob ntub nrog cov kua ntxhua khaub ncaws los yog lwm yam dej-absorbing agents.


2. Ua ntej siv, kos [Industrial Electric Network-cnelc] lub teeb nyob rau pem hauv ntej kawg ntawm lub iav electrode. Raws li ib txwm muaj, lub electrode yuav tsum pob tshab tsis muaj kab nrib pleb; lub teeb yuav tsum tau ntim nrog kev daws tsis muaj cua npuas.


3. Thaum ntsuas cov kev daws teeb meem siab, txo lub sij hawm ntsuas kom ntau li ntau tau, thiab ntxuav nws kom zoo tom qab siv los tiv thaiv cov kua ntsuas los ntawm adhering rau electrode thiab polluting electrode.


4. Tom qab ntxuav cov electrode, tsis txhob so lub iav daim nyias nyias nrog cov ntawv lim, tab sis siv cov ntawv lim kom qhuav, kom tsis txhob muaj kev puas tsuaj rau cov iav membrane, tiv thaiv kev sib kis, thiab cuam tshuam rau kev ntsuas qhov tseeb.


5. Ua tib zoo saib cov nyiaj ntawm cov electrode hauv kev ntsuas. Cov nyiaj chloride sab hauv siv electrode yuav tsum tau muab tso rau hauv cov tshuaj chloride tsis nyob hauv qhov muag kom tsis txhob muaj qhov tshwm sim ntawm cov dhia dhia hauv cov khoom siv hluav taws xob. Thaum siv, xyuam xim rau maj mam co lub electrode ob peb zaug.


6. Cov electrode tsis tuaj yeem siv rau hauv cov kua qaub, muaj zog alkali lossis lwm yam kev daws teeb meem corrosive.


7. Nws yog nruj me ntsis txwv tsis pub siv nyob rau hauv lub cev qhuav dej nruab nrab xws li kiag li ethanol, poov tshuaj dichromate, thiab lwm yam.

 

1 ph measurement meter for liquids water quality tester

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