phos miv|Meterolity Meter debugging lus qhia
Cov feem ntau siv p thiab acidity metres hauv chav kuaj muaj cov cuab yeej qub uas tsim muaj lei ...}}}}}}}}. 02 units. Tus lej pH ntawm cov p thiab acidity meters yog tshwm sim los ntawm tus pointer ntawm hluav taws xob. Cov xov tooj tshiab digital|Cov xov xwm acidity muaj cov kl series los ntawm tuam txhab hauv tsev kelilon, thiab nws cov ntsuas kub thiab txias thiab ntsuas tus nqi hauv lub vijtsam digital. Tsis hais txog lub ntsuas ntsuas phostau lossis cov zis acidity, nws yog qhov tsim nyog los ua kev ntsuas theem nrab nrog kev daws teeb meem qauv ua ntej siv.
Firstly, nyeem cov khoom siv ntsuas twj, txuas lub zog muab khoom, thiab nruab cov electrodes. Ntxiv cov qauv ntas yeej nrog tus nqi photy ntawm 7. {}} Pa taws kom haum rau cov kev sib chwv nrog cov khoom siv hluav taws xob. Nyeem PHIC cov kev daws teeb meem raws li cov lus qhia tau muab cov lus sib txawv, ntsuas cov nqi sib txawv ntawm cov lej pH 7.} Hauv cov qauv tsis daws; Tom qab ntawd tshem tawm cov electrode los ntawm kev daws teeb meem thiab yaug kom huv si nrog dej distilled. Hloov cov beaker me me rau kev daws teeb meem ntawm pH 4.}}}}}}}}}}}}}}}}}}}}}. Qhov ua tiav qhov thib ob qhov tseem ceeb kev kho; Tom qab calibration, yaug lub electrode thiab beaker nrog dej distilled. Tom qab ntsuas calibration, tsis txhob tig qhov chaw tso tseg ib zaug ntxiv, txwv tsis pub nws yuav tsum tau them dua.
Txij li ntawm PHO MOOS
Cov iav iav yuav tsum tau so kom dej hauv dej distilled tsawg kawg yog ib hnub thiab hmo ua ntej yuav siv rau dej distilled rau kev ua tiav txhua lub sijhawm. Cov iav hluav taws xob yuav tsum tsis txhob muaj kev sib cuag nrog cov dej muaj zog nqus dej kom ntev dhau. Thaum siv hauv kev daws teeb meem alkaline muaj zog, lawv yuav tsum tau ua haujlwm sai li sai tau. Tom qab siv, lawv yuav tsum tau ntxuav tam sim ntawd nrog dej. Cov npuas npuas ntawm iav electrode cov pob hluav taws xob yog heev nyias thiab yuav tsum tsis txhob nkag mus rau hauv kev sib cuag nrog iav khob lossis khoom tawv; Thaum lub iav zaj duab xis yog stained nrog roj, nws yuav tsum xau cawv ua ntej, tom qab ntawd carbon tetrachloride lossis ether, thiab thaum kawg so kom dej cawv ua ntej raug ntxuav nrog dej distilled. Thaum ntsuas ntsuas cov protein ntau, yog tias cov khoom siv hluav taws xob, yog tias muaj cov protein, ua rau muaj cov tshuaj tiv thaiv thiab tsis muaj txiaj ntsig zoo,}} {2}} feeb los kho. Tom qab ntxuav cov electrode, tsuas yog maj mam qhuav nws nrog daim ntawv lim. Tsis txhob so nws nrog cov ntaub, raws li qhov no tuaj yeem ua rau muaj kev them nqi ntawm electrode thiab ua rau muaj kev nyeem tsis yog. Thaum siv calomel hluav taws xob, nws yog ib qho tseem ceeb kom sau electrode nrog cov tshuaj potassium thiab kom ntseeg tau tias tsis muaj npuas los tiv thaiv kev sib txuas. Yuav tsum muaj ib qho nyiaj me me ntawm poov tshuaj tshuaj muaj yees crystals nyob rau kom cov tshuaj tov. Thaum siv, tshem tawm cov roj hmab nres rau saum cov electrode thiab cia ib qho me me ntawm poov tshuaj tshuaj dawb tawm los ntawm capillary lub raj tau txais txiaj ntsig.
