[{"@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&Aring;&macr;&Aring;&frac34;eme m&Auml;&#8250;&Aring;&#8482;it mnoho vlastnost&Atilde;&shy;, nap&Aring;&#8482;&Atilde;&shy;klad barvu, viskozitu, ale i jin&Atilde;&copy;. A jednou z&Acirc;&nbsp;nich je i hodnota pH. O t&Atilde;&copy; sly&Aring;&iexcl;el snad ka&Aring;&frac34;d&Atilde;&frac12; z&Acirc;&nbsp;n&Atilde;&iexcl;s, a pro mnoh&Atilde;&copy; je d&Aring;&macr;le&Aring;&frac34;it&Atilde;&frac12;m ukazatelem nap&Aring;&#8482;&Atilde;&shy;klad kvality baz&Atilde;&copy;nov&Atilde;&copy; vody. Jen m&Atilde;&iexcl;lokdo v&Aring;&iexcl;ak p&Aring;&#8482;esn&Auml;&#8250; v&Atilde;&shy;, o co se jedn&Atilde;&iexcl; a jak je vlastn&Auml;&#8250; po&Auml;&Atilde;&shy;t&Atilde;&iexcl;na. M&Atilde;&iexcl;me...","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\/bazen1_10_10_10_10_2.jpg","url":"https:\/\/www.afchj.cz\/wp-content\/uploads\/bazen1_10_10_10_10_2.jpg","height":0,"width":0},"url":"https:\/\/www.afchj.cz\/co-nam-rika-hodnota-ph-tekutiny\/","about":["V\u011bda"],"wordCount":872,"articleBody":"U tekutin m&Aring;&macr;&Aring;&frac34;eme m&Auml;&#8250;&Aring;&#8482;it mnoho vlastnost&Atilde;&shy;, nap&Aring;&#8482;&Atilde;&shy;klad barvu, viskozitu, ale i jin&Atilde;&copy;. A jednou z&Acirc;&nbsp;nich je i hodnota pH. O t&Atilde;&copy; sly&Aring;&iexcl;el snad ka&Aring;&frac34;d&Atilde;&frac12; z&Acirc;&nbsp;n&Atilde;&iexcl;s, a pro mnoh&Atilde;&copy; je d&Aring;&macr;le&Aring;&frac34;it&Atilde;&frac12;m ukazatelem nap&Aring;&#8482;&Atilde;&shy;klad kvality baz&Atilde;&copy;nov&Atilde;&copy; vody. Jen m&Atilde;&iexcl;lokdo v&Aring;&iexcl;ak p&Aring;&#8482;esn&Auml;&#8250; v&Atilde;&shy;, o co se jedn&Atilde;&iexcl; a jak je vlastn&Auml;&#8250; po&Auml;&Atilde;&shy;t&Atilde;&iexcl;na. M&Atilde;&iexcl;me sice v&Atilde;&iexcl;gn&Atilde;&shy; tu&Aring;&iexcl;en&Atilde;&shy;, &Aring;&frac34;e to m&Atilde;&iexcl; co d&Auml;&#8250;lat s&Acirc;&nbsp;kyselost&Atilde;&shy;, av&Aring;&iexcl;ak podrobnosti v&Acirc;&nbsp;podstat&Auml;&#8250; nezn&Atilde;&iexcl;me. P&Aring;&#8482;itom odpov&Auml;&#8250;&Auml; nen&Atilde;&shy; a&Aring;&frac34; tak n&Atilde;&iexcl;ro&Auml;n&Atilde;&iexcl;.&Acirc;&nbsp;&Acirc;&nbsp;V&Aring;&iexcl;ichni v&Atilde;&shy;me ji&Aring;&frac34; ze z&Atilde;&iexcl;kladn&Atilde;&shy; &Aring;&iexcl;koly, &Aring;&frac34;e molekula vody se skl&Atilde;&iexcl;d&Atilde;&iexcl; z&Acirc;&nbsp;dvou atom&Aring;&macr; vod&Atilde;&shy;ku a jednoho atomu kysl&Atilde;&shy;ku. Odtud tak&Atilde;&copy; poch&Atilde;&iexcl;z&Atilde;&shy; jej&Atilde;&shy; zn&Atilde;&iexcl;m&Atilde;&iexcl; chemick&Atilde;&iexcl; zna&Auml;ka. Co v&Aring;&iexcl;ak ji&Aring;&frac34; v&Atilde;&shy; jen m&Atilde;&iexcl;lokdo je fakt, &Aring;&frac34;e tato vazba nen&Atilde;&shy; nijak siln&Atilde;&iexcl;. Naopak, d&Atilde;&iexcl; se velmi snadno rozru&Aring;&iexcl;it, kdy se na atom vod&Atilde;&shy;ku &Auml;i kysl&Atilde;&shy;ku nav&Atilde;&iexcl;&Aring;&frac34;e jin&Atilde;&frac12; prvek. To je ostatn&Auml;&#8250; i zp&Aring;&macr;sob, jak&Atilde;&frac12;m se ve vod&Auml;&#8250; mnoh&Atilde;&copy; l&Atilde;&iexcl;tky rozpou&Aring;&iexcl;t&Atilde;&shy;.&Acirc;&nbsp;Vezm&Auml;&#8250;me si p&Aring;&#8482;&Atilde;&shy;pad, kdy se molekula vody takov&Atilde;&frac12;mto zp&Aring;&macr;sobem rozd&Auml;&#8250;l&Atilde;&shy;, a na atom kysl&Atilde;&shy;ku se nav&Atilde;&iexcl;&Aring;&frac34;e jin&Atilde;&frac12; prvek, dejme tomu v&Atilde;&iexcl;pn&Atilde;&shy;k. Takto ostatn&Auml;&#8250; vznikaj&Atilde;&shy; takzvan&Atilde;&copy; v&Atilde;&iexcl;penit&Atilde;&copy; vody. Co ale onen vod&Atilde;&shy;k? Ten z&Aring;&macr;stane s&Atilde;&iexcl;m a nem&Atilde;&iexcl;, na co by se nav&Atilde;&iexcl;zal. A pr&Atilde;&iexcl;v&Auml;&#8250; toto m&Auml;&#8250;&Aring;&#8482;&Atilde;&shy; pH.&Acirc;&nbsp;&Acirc;&nbsp;Jednodu&Aring;&iexcl;e &Aring;&#8482;e&Auml;eno, jde o pod&Atilde;&shy;l voln&Atilde;&frac12;ch vod&Atilde;&shy;kov&Atilde;&frac12;ch iont&Aring;&macr; v&Acirc;&nbsp;tekutin&Auml;&#8250;. Pokud je jejich po&Auml;et kladn&Atilde;&frac12;, pH je vy&Aring;&iexcl;&Aring;&iexcl;&Atilde;&shy; a dostaneme kyselinu. Ov&Aring;&iexcl;em v&Acirc;&nbsp;p&Aring;&#8482;&Atilde;&shy;pad&Auml;&#8250;, &Aring;&frac34;e se ony ciz&Atilde;&shy; prvky nav&Atilde;&iexcl;&Aring;&frac34;ou m&Atilde;&shy;sto kysl&Atilde;&shy;ku pr&Atilde;&iexcl;v&Auml;&#8250; na vod&Atilde;&shy;k, a je to kysl&Atilde;&shy;k, kter&Atilde;&frac12; z&Aring;&macr;stane osamocen, dostaneme naopak z&Atilde;&iexcl;sadu. Samoz&Aring;&#8482;ejm&Auml;&#8250;, pokud jsou oba prvky v&Acirc;&nbsp;rovnov&Atilde;&iexcl;ze, z&Atilde;&shy;sk&Atilde;&iexcl;me neutr&Atilde;&iexcl;ln&Atilde;&shy; hodnotu.&Acirc;&nbsp;Ta nemus&Atilde;&shy; znamenat jen to, &Aring;&frac34;e se jedn&Atilde;&iexcl; o &Auml;istou vodu, n&Atilde;&frac12;br&Aring;&frac34; jen a pouze fakt, &Aring;&frac34;e zde nejsou &Aring;&frac34;&Atilde;&iexcl;dn&Atilde;&copy; voln&Atilde;&copy; ionty vod&Atilde;&shy;ku a kysl&Atilde;&shy;ku, tedy ony dal&Aring;&iexcl;&Atilde;&shy; prvky se na vod&Atilde;&shy;k a kysl&Atilde;&shy;k nav&Atilde;&iexcl;zaly ve stejn&Atilde;&copy;m pom&Auml;&#8250;ru. To je v&Aring;&iexcl;ak velmi vz&Atilde;&iexcl;cn&Atilde;&frac12; jen, a tak&Atilde;&copy; d&Aring;&macr;vod, pro&Auml; naprosto neutr&Atilde;&iexcl;ln&Atilde;&shy; l&Atilde;&iexcl;tky v&Acirc;&nbsp;p&Aring;&#8482;&Atilde;&shy;rod&Auml;&#8250; zkr&Atilde;&iexcl;tka nenajdeme.&Acirc;&nbsp;A je to tak&Atilde;&copy; d&Aring;&macr;vod, pro&Auml; se nap&Aring;&#8482;&Atilde;&shy;klad pH vody v&Acirc;&nbsp;baz&Atilde;&copy;nu v&Acirc;&nbsp;pr&Aring;&macr;b&Auml;&#8250;hu &Auml;asu m&Auml;&#8250;n&Atilde;&shy;. Neust&Atilde;&iexcl;le se v&Acirc;&nbsp;n&Auml;&#8250;m toti&Aring;&frac34; objevuj&Atilde;&shy; nov&Atilde;&copy; l&Atilde;&iexcl;tky, kter&Atilde;&copy; tam nap&Aring;&#8482;&Atilde;&shy;klad navane v&Atilde;&shy;tr, a to se mus&Atilde;&shy; n&Auml;&#8250;jak&Atilde;&frac12;m zp&Aring;&macr;sobem projevit.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (10 votes)        "},{"@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"}]}]