[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ardos.sk\/zakladne-rozdelenie-elektrod-pre-chemicku-analyzu\/#Article","mainEntityOfPage":"https:\/\/www.ardos.sk\/zakladne-rozdelenie-elektrod-pre-chemicku-analyzu\/","headline":"Z\u00e1kladn\u00e9 rozdelenie elektr\u00f3d pre chemick\u00fa anal\u00fdzu","name":"Z\u00e1kladn\u00e9 rozdelenie elektr\u00f3d pre chemick\u00fa anal\u00fdzu","description":"Aby sme mohli prejs\u0165 k\u00a0charakteristike z\u00e1kladn\u00fdch typov elektr\u00f3d vyu\u017e\u00edvan\u00fdch v\u00a0analytick\u00fdch elektrochemick\u00fdch met\u00f3dach, povieme si, \u010do to t\u00e1 elektr\u00f3da vlastne je.\u00a0Elektr\u00f3da je vodi\u010d, ktor\u00fd sa nach\u00e1dza v\u00a0kontakte \u00a0nejak\u00fdm elektrolytom. Elektrolyt je, ako n\u00e1m je u\u017e ur\u010dite zn\u00e1me, roztok alebo tavenina i\u00f3nov. Napr\u00edklad roztok soli. A\u00a0teda je elektricky vodiv\u00fd.\u00a0V\u00a0prvom prihliadnut\u00ed elektr\u00eddy rozde\u013eujeme na elektr\u00f3dy prv\u00e9ho a\u00a0druh\u00e9ho druhu. […]","datePublished":"2021-11-24","dateModified":"2023-04-26","author":{"@type":"Person","@id":"https:\/\/www.ardos.sk\/author\/#Person","name":"","url":"https:\/\/www.ardos.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/020fed30ca967737eb0c640f241d660d0f18cb15fe876f045fbf23eb8510c133?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/020fed30ca967737eb0c640f241d660d0f18cb15fe876f045fbf23eb8510c133?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ardos.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ardos.sk\/wp-content\/uploads\/elektroda%20prveho%20druhu%20-%20galvanicky%20clanok.png","url":"https:\/\/www.ardos.sk\/wp-content\/uploads\/elektroda%20prveho%20druhu%20-%20galvanicky%20clanok.png","height":0,"width":0},"url":"https:\/\/www.ardos.sk\/zakladne-rozdelenie-elektrod-pre-chemicku-analyzu\/","about":["Elektro"],"wordCount":390,"articleBody":"Aby sme mohli prejs\u0165 k\u00a0charakteristike z\u00e1kladn\u00fdch typov elektr\u00f3d vyu\u017e\u00edvan\u00fdch v\u00a0analytick\u00fdch elektrochemick\u00fdch met\u00f3dach, povieme si, \u010do to t\u00e1 elektr\u00f3da vlastne je.\u00a0Elektr\u00f3da je vodi\u010d, ktor\u00fd sa nach\u00e1dza v\u00a0kontakte \u00a0nejak\u00fdm elektrolytom. Elektrolyt je, ako n\u00e1m je u\u017e ur\u010dite zn\u00e1me, roztok alebo tavenina i\u00f3nov. Napr\u00edklad roztok soli. A\u00a0teda je elektricky vodiv\u00fd.\u00a0V\u00a0prvom prihliadnut\u00ed elektr\u00eddy rozde\u013eujeme na elektr\u00f3dy prv\u00e9ho a\u00a0druh\u00e9ho druhu.Elektr\u00f3dy prv\u00e9ho druhu s\u00fa bu\u010f ani\u00f3nov\u00e9 alebo kati\u00f3nov\u00e9 (tie s\u00fa vyu\u017e\u00edvan\u00e9 \u010dastej\u0161ie a\u00a0ide najm\u00e4 o\u00a0kovov\u00e9, amalgamov\u00e9, \u010di vod\u00edkov\u00e9 elektr\u00f3dy). Na elektr\u00f3de prv\u00e9ho druhu prebieha v\u00fdmena i\u00f3nov a\u00a0elektr\u00f3nov medzi elektr\u00f3dou a\u00a0roztokom elektrolytu. Patr\u00ed sem napr\u00edklad meden\u00e1 elektr\u00f3da. Na tomto princ\u00edpe funguje aj galvanick\u00fd \u010dl\u00e1nok.\u00a0Elektr\u00f3dy druh\u00e9ho druhu s\u00fa o\u00a0\u010dosi zlo\u017eitej\u0161ie. Maj\u00fa tri \u010dasti \u2013 kov, na ktorom je vrstva jeho m\u00e1lo rozpustnej soli, tento je ponoren\u00fd v\u00a0roztoku elektrolytu. D\u00f4le\u017eitou podmienkou tu je, \u017ee roztok elektrolytu, v\u00a0ktorom je elektr\u00f3da ponoren\u00e1, mus\u00ed obsahova\u0165 rovnak\u00e9 ani\u00f3ny ako s\u00fa v\u00a0kove, pr\u00edpade m\u00e1lo rozpustnej soli na elektr\u00f3de. Najd\u00f4le\u017eitej\u0161\u00edmi z\u00e1stupcami tejto skupiny elektr\u00f3d s\u00fa kalomelov\u00e1 a\u00a0striebrochloridov\u00e1.\u00a0Oxidoreduk\u010dn\u00e9 elektr\u00f3dy s\u00fa tvoren\u00e9 u\u0161\u013eachtil\u00fdm kovom \u2013 platinou alebo zlatom, ktor\u00fd je ponoren\u00fd v\u00a0roztoku obsahuj\u00facom oxidovan\u00fa aj redukovan\u00fa formu tej istej l\u00e1tky. Touto l\u00e1tkou s\u00fa \u010dasto zl\u00fa\u010deniny organick\u00e9ho p\u00f4vodu \u2013 napr\u00edklad chin\u00f3ny.I\u00f3novoselekt\u00edvne elektr\u00f3dy s\u00fa d\u00f4le\u017eit\u00e9 pre biosenzory, resp. biodetektory v\u00a0tele \u010dloveka. Pom\u00e1haj\u00fa napr\u00edklad pri zis\u0165ovan\u00ed hladiny cukru v\u00a0krvi, pr\u00edpadne sk\u00faman\u00ed zlo\u017eenia krvi. I\u00f3novoselekt\u00edvne elektr\u00f3dy s\u00fa tvoren\u00e9 nepor\u00e9znymi membr\u00e1nami, ktor\u00fdch potenci\u00e1l z\u00e1vis\u00ed na i\u00f3novej aktivite roztoku. Najd\u00f4le\u017eitej\u0161ou z\u00a0i\u00f3novoselekt\u00edvnych elektr\u00f3d je sklenen\u00e1 selekt\u00edvna pre H30+ kati\u00f3ny.\u00a0\u0160peci\u00e1lnym podtypom i\u00f3novoselekt\u00edvnych elektr\u00f3d s\u00fa takzvan\u00e9 \u201eenz\u00fdmov\u00e9 elektr\u00f3dy\u201c. Enz\u00fdmy tu \u0161tiepia meran\u00fd substr\u00e1t na elektricky akt\u00edvny produkt. Koncentr\u00e1cie i\u00f3nov tohto produktu s\u00fa potom \u010falej meran\u00e9 pr\u00edslu\u0161nou i\u00f3novoselekt\u00edvnou elektr\u00f3dou.                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Z\u00e1kladn\u00e9 rozdelenie elektr\u00f3d pre chemick\u00fa anal\u00fdzu","item":"https:\/\/www.ardos.sk\/zakladne-rozdelenie-elektrod-pre-chemicku-analyzu\/#breadcrumbitem"}]}]