[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.afchj.cz\/co-nam-rika-hodnota-ph-tekutiny\/#Article","mainEntityOfPage":"https:\/\/www.afchj.cz\/co-nam-rika-hodnota-ph-tekutiny\/","headline":"Co n\u00e1m \u0159\u00edk\u00e1 hodnota pH tekutiny","name":"Co n\u00e1m \u0159\u00edk\u00e1 hodnota pH tekutiny","description":"U tekutin m\u016f\u017eeme m\u011b\u0159it mnoho vlastnost\u00ed, nap\u0159\u00edklad barvu, viskozitu, ale i jin\u00e9. A jednou z\u00a0nich je i hodnota pH. O t\u00e9 sly\u0161el snad ka\u017ed\u00fd z\u00a0n\u00e1s, a pro mnoh\u00e9 je d\u016fle\u017eit\u00fdm ukazatelem nap\u0159\u00edklad kvality baz\u00e9nov\u00e9 vody. Jen m\u00e1lokdo v\u0161ak p\u0159esn\u011b v\u00ed, o co se jedn\u00e1 a jak je vlastn\u011b po\u010d\u00edt\u00e1na. M\u00e1me...","datePublished":"2023-07-30","dateModified":"2024-04-30","author":{"@type":"Person","@id":"https:\/\/www.afchj.cz\/author\/#Person","name":"","url":"https:\/\/www.afchj.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/25a824e14ead2d36aba24b918221841350fb41cea98048e9b1929df8c4bf4bd8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/25a824e14ead2d36aba24b918221841350fb41cea98048e9b1929df8c4bf4bd8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"afchj.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.afchj.cz\/wp-content\/uploads\/art494199_1x1_20260928_132410_R8I5k9.jpg","url":"https:\/\/www.afchj.cz\/wp-content\/uploads\/art494199_1x1_20260928_132410_R8I5k9.jpg","height":0,"width":0},"url":"https:\/\/www.afchj.cz\/co-nam-rika-hodnota-ph-tekutiny\/","about":["V\u011bda"],"wordCount":443,"articleBody":"\tU tekutin m\u016f\u017eeme m\u011b\u0159it mnoho vlastnost\u00ed, nap\u0159\u00edklad barvu, viskozitu, ale i jin\u00e9. A jednou z\u00a0nich je i hodnota pH. O t\u00e9 sly\u0161el snad ka\u017ed\u00fd z\u00a0n\u00e1s, a pro mnoh\u00e9 je d\u016fle\u017eit\u00fdm ukazatelem nap\u0159\u00edklad kvality baz\u00e9nov\u00e9 vody. Jen m\u00e1lokdo v\u0161ak p\u0159esn\u011b v\u00ed, o co se jedn\u00e1 a jak je vlastn\u011b po\u010d\u00edt\u00e1na. M\u00e1me sice v\u00e1gn\u00ed tu\u0161en\u00ed, \u017ee to m\u00e1 co d\u011blat s\u00a0kyselost\u00ed, av\u0161ak podrobnosti v\u00a0podstat\u011b nezn\u00e1me. P\u0159itom odpov\u011b\u010f nen\u00ed a\u017e tak n\u00e1ro\u010dn\u00e1.\tV\u0161ichni v\u00edme ji\u017e ze z\u00e1kladn\u00ed \u0161koly, \u017ee molekula vody se skl\u00e1d\u00e1 z\u00a0dvou atom\u016f vod\u00edku a jednoho atomu kysl\u00edku. Odtud tak\u00e9 poch\u00e1z\u00ed jej\u00ed zn\u00e1m\u00e1 chemick\u00e1 zna\u010dka. Co v\u0161ak ji\u017e v\u00ed jen m\u00e1lokdo je fakt, \u017ee tato vazba nen\u00ed nijak siln\u00e1. Naopak, d\u00e1 se velmi snadno rozru\u0161it, kdy se na atom vod\u00edku \u010di kysl\u00edku nav\u00e1\u017ee jin\u00fd prvek. To je ostatn\u011b i zp\u016fsob, jak\u00fdm se ve vod\u011b mnoh\u00e9 l\u00e1tky rozpou\u0161t\u00ed.\tVezm\u011bme si p\u0159\u00edpad, kdy se molekula vody takov\u00fdmto zp\u016fsobem rozd\u011bl\u00ed, a na atom kysl\u00edku se nav\u00e1\u017ee jin\u00fd prvek, dejme tomu v\u00e1pn\u00edk. Takto ostatn\u011b vznikaj\u00ed takzvan\u00e9 v\u00e1penit\u00e9 vody. Co ale onen vod\u00edk? Ten z\u016fstane s\u00e1m a nem\u00e1, na co by se nav\u00e1zal. A pr\u00e1v\u011b toto m\u011b\u0159\u00ed pH.\tJednodu\u0161e \u0159e\u010deno, jde o pod\u00edl voln\u00fdch vod\u00edkov\u00fdch iont\u016f v\u00a0tekutin\u011b. Pokud je jejich po\u010det kladn\u00fd, pH je vy\u0161\u0161\u00ed a dostaneme kyselinu. Ov\u0161em v\u00a0p\u0159\u00edpad\u011b, \u017ee se ony ciz\u00ed prvky nav\u00e1\u017eou m\u00edsto kysl\u00edku pr\u00e1v\u011b na vod\u00edk, a je to kysl\u00edk, kter\u00fd z\u016fstane osamocen, dostaneme naopak z\u00e1sadu. Samoz\u0159ejm\u011b, pokud jsou oba prvky v\u00a0rovnov\u00e1ze, z\u00edsk\u00e1me neutr\u00e1ln\u00ed hodnotu.\t\tTa nemus\u00ed znamenat jen to, \u017ee se jedn\u00e1 o \u010distou vodu, n\u00fdbr\u017e jen a pouze fakt, \u017ee zde nejsou \u017e\u00e1dn\u00e9 voln\u00e9 ionty vod\u00edku a kysl\u00edku, tedy ony dal\u0161\u00ed prvky se na vod\u00edk a kysl\u00edk nav\u00e1zaly ve stejn\u00e9m pom\u011bru. To je v\u0161ak velmi vz\u00e1cn\u00fd jen, a tak\u00e9 d\u016fvod, pro\u010d naprosto neutr\u00e1ln\u00ed l\u00e1tky v\u00a0p\u0159\u00edrod\u011b zkr\u00e1tka nenajdeme.\tA je to tak\u00e9 d\u016fvod, pro\u010d se nap\u0159\u00edklad pH vody v\u00a0baz\u00e9nu v\u00a0pr\u016fb\u011bhu \u010dasu m\u011bn\u00ed. Neust\u00e1le se v\u00a0n\u011bm toti\u017e objevuj\u00ed nov\u00e9 l\u00e1tky, kter\u00e9 tam nap\u0159\u00edklad navane v\u00edtr, a to se mus\u00ed n\u011bjak\u00fdm zp\u016fsobem projevit.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co n\u00e1m \u0159\u00edk\u00e1 hodnota pH tekutiny","item":"https:\/\/www.afchj.cz\/co-nam-rika-hodnota-ph-tekutiny\/#breadcrumbitem"}]}]