Ibisobanuro bya metero ya ph
Imetero ya pH bivuga igikoresho gikoreshwa mukumenya pH agaciro k'igisubizo.Imetero ya pH ikora ku ihame rya batiri ya galvanic.Imbaraga za electromotive hagati ya electrode ebyiri za batiri ya galvanike ishingiye kumategeko ya Nerns, ntabwo ajyanye gusa nimiterere ya electrode, ahubwo anajyanye no kwibumbira hamwe kwa hydrogene ion mugisubizo.Hariho isano ihuye hagati yingufu za electromotive ya bateri yambere hamwe na hydrogene ion yibanze, hamwe na logarithm mbi ya hydrogène ion yibandaho ni pH agaciro.Imetero ya pH ni igikoresho gisesengura, gikoreshwa cyane mubuhinzi, kurengera ibidukikije n'inganda.Ubutaka pH nimwe mubintu byingenzi byubutaka.Ibintu nkubushyuhe nimbaraga za ionic zumuti ugomba kugeragezwa bigomba kwitabwaho mugihe cyo gupima pH.
Ihame rya metero ya ph
pH isobanurwa nka logarithm mbi ya hydrogène ion yibanda kumuti wamazi.Nubwo ibi bisa nkibigoye, mumagambo yoroshye cyane, pH numubare ukoreshwa mukugereranya acide cyangwa alkalinity yumuti.Umubare werekana umubare wa hydrogène ion ikintu runaka gishobora kurekura igisubizo.Mu ntera ya pH, pH ya 7 ifatwa nkaho itabogamye.Ibisubizo hamwe na pH ya 0-7 bifatwa nka acide, naho ibisubizo biri hejuru ya 7 kugeza 14 byitwa ibisubizo bya alkaline.Muri sisitemu y'ibinyabuzima, pH irakomeye.Turabikesha pH ihinduwe neza, ibyinshi muri biomolecules mumubiri wacu birashobora gukora imirimo myiza.Ndetse no muri sisitemu yubushakashatsi, pH isabwa igomba gukomeza kugirango ibone ibisubizo nyabyo.Kubwibyo, mubushakashatsi bwibinyabuzima, igikoresho cyitwa metero ya pH gikoreshwa mugukurikirana neza pH.
Imetero ya pH ni pH-yitabira electrode ipima ibikorwa bya hydrogène ion mugisubizo kandi ikohereza aya makuru.Igikoresho kigizwe n'ibirahuri bibiri, buri kimwe kirimo electrode, icyerekezo cya electrode hamwe na sensor ya electrode.Ikoreshwa rya electrode ikozwe mubisubizo byuzuye bya KCl, mugihe sensor electrode ikubiyemo igisubizo cya buffer hamwe na pH ya 7, naho insinga ya feza ikozweho na chloride ya silver yibizwa muri ibyo bisubizo byombi.Ku iherezo rya sensor electrode ni itara rikozwe mu kirahure cyometseho silika n'umunyu w'icyuma.
Gupima pH yumuti, metero pH yibizwa mubisubizo.Nyuma yigitereko cya sensor electrode ihuza igisubizo, hydrogène ion mugisubizo izasimbuza ion ibyuma kumatara.Uku gusimbuza ibyuma bya ion bitera umuyaga gutembera mumashanyarazi, bisomwa na voltmeter.
Imetero ya pH nimwe mubikoresho bikoreshwa cyane muri laboratoire yibinyabuzima.Gisesengura neza pH ya buffers, ibisubizo hamwe na reagent kugirango umenye neza ko imiterere yubushakashatsi ari nziza.Kugirango usome neza, ibikoresho bigomba guhinduka buri gihe.
Gukoresha imashini ya metero ya PH
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Kugenzura metero ya PH
Igihe cyo kohereza: Ukuboza-15-2021