[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.sunna.cz\/neni-led-jako-led\/#Article","mainEntityOfPage":"https:\/\/www.sunna.cz\/neni-led-jako-led\/","headline":"Nen\u00ed led jako led","name":"Nen\u00ed led jako led","description":"Tento plyn za b\u011b\u017en\u00fdch podm\u00ednek \u010dlov\u011bk vydechuje ze sv\u00fdch plic, […]","datePublished":"2018-06-21","dateModified":"2018-06-21","author":{"@type":"Person","@id":"https:\/\/www.sunna.cz\/author\/#Person","name":"","url":"https:\/\/www.sunna.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/664d9cd24f58d4d0b526991e1fec4656a216f6db124bbd66c69ade0e846d4f16?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/664d9cd24f58d4d0b526991e1fec4656a216f6db124bbd66c69ade0e846d4f16?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"sunna.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.sunna.cz\/wp-content\/uploads\/img_a321459_w2448_t1532717131.jpg","url":"https:\/\/www.sunna.cz\/wp-content\/uploads\/img_a321459_w2448_t1532717131.jpg","height":0,"width":0},"url":"https:\/\/www.sunna.cz\/neni-led-jako-led\/","wordCount":447,"articleBody":" Tento plyn za b\u011b\u017en\u00fdch podm\u00ednek \u010dlov\u011bk vydechuje ze sv\u00fdch plic, a jestli\u017ee jej dostate\u010dn\u011b siln\u011b podchlad\u00edme, zm\u011bn\u00ed p\u016fvodn\u00ed plynn\u00e9 skupenstv\u00ed na tuh\u00e9. Doch\u00e1z\u00ed k tomu p\u0159i teplot\u011b -78,8 stupn\u011b Celsia. Typick\u00e9 vlastnosti such\u00e9ho ledu D\u00edky sv\u00fdm vlastnostem, kter\u00fdmi jsou zdravotn\u00ed nez\u00e1vadnost, \u010distota, a dostate\u010dn\u00e9 chlad\u00edc\u00ed schopnosti, je vyu\u017e\u00edv\u00e1n tuh\u00fd oxid uhli\u010dit\u00fd jako chladic\u00ed m\u00e9dium ji\u017e des\u00edtky let. Jeho typickou vlastnost\u00ed je sublimace a desublimace, tedy p\u0159\u00edm\u00fd p\u0159echod v pr\u016fb\u011bhu zm\u011bny teplot z plynn\u00e9ho skupenstv\u00ed do pevn\u00e9ho, ani\u017e by pro\u0161el kapalnou f\u00e1z\u00ed. D\u00edky tomu po sob\u011b nezanech\u00e1v\u00e1 ani stopy vlhkosti a je tud\u00ed\u017e mnohem v\u00fdhodn\u011bj\u0161\u00ed v mraz\u00edrensk\u00e9m pr\u016fmyslu, ne\u017e oby\u010dejn\u00fd led – zmrzl\u00e1 voda. Je to l\u00e1tka bez z\u00e1pachu a chuti, ov\u0161em pozor. Mnoho lid\u00ed dob\u0159e v\u00ed, \u017ee oxid uhelnat\u00fd, jako\u017eto plyn bez barvy a bez z\u00e1pachu, kter\u00fd vznik\u00e1 pouze procesem spalov\u00e1n\u00ed, je smrteln\u011b jedovat\u00fd. Dokonce existuj\u00ed i detektory kou\u0159e a oxidu uhelnat\u00e9ho, kter\u00e9 se doporu\u010duj\u00ed instalovat v bl\u00edzkosti topn\u00fdch zdroj\u016f, plynov\u00e9 karmy, kotle apod. Ale mnoz\u00ed lid\u00e9 ani netu\u0161\u00ed, \u017ee i oxid uhli\u010dit\u00fd je prudce jedovat\u00fd. Z\u00e1le\u017e\u00ed pochopiteln\u011b na jeho koncentraci, ov\u0161em u\u017e p\u0159i 10% CO2 ve vzduchu je to pro \u010dlov\u011bka smrteln\u00e1 d\u00e1vka. Dokonce i relativn\u011b n\u00edzk\u00e1 koncentrace CO2, kter\u00e1 je obsa\u017eena ve v\u0161ech sycen\u00fdch n\u00e1poj\u00edch (bublinkov\u00fdch), m\u016f\u017ee u citliv\u00fdch lid\u00ed vyvolat slab\u0161\u00ed p\u0159\u00edznaky otravy (pocit du\u0161nosti).  Kde v\u0161ude nach\u00e1z\u00ed uplatn\u011bn\u00ed V potravin\u00e1\u0159sk\u00e9 v\u00fdrob\u011b \u2013 chlazen\u00ed a mra\u017een\u00ed v\u00fdrobk\u016f, chlazen\u00ed t\u011bsta p\u0159i jeho zpracov\u00e1n\u00ed, v\u011bt\u0161inou u kynut\u00e9ho t\u011bsta a \u010dajov\u00e9ho pe\u010diva. Z\u00e1rove\u0148 pro chlazen\u00ed a desinfekci lahv\u00ed, k v\u00fdrob\u011b alkoholov\u00e9 zmrzliny.Vina\u0159i \u2013 ti jej pou\u017e\u00edvaj\u00ed p\u0159i sb\u011bru hrozn\u016f k jejich ochlazen\u00ed a k ochlazov\u00e1n\u00ed tzv. mutu p\u0159i odle\u017een\u00ed v\u00edna.Farmaceutick\u00e9 odv\u011btv\u00ed \u2013 k p\u0159eprav\u011b l\u00e9\u010div, pro chlazen\u00ed prepar\u00e1t\u016f v laborato\u0159\u00edch, a pro tzv. biologick\u00e9 \u0159ezy. V pr\u016fmyslov\u00e9 v\u00fdrob\u011b \u2013 ke zmrazov\u00e1n\u00ed kovov\u00fdch sou\u010d\u00e1st\u00ed p\u0159i mont\u00e1\u017e\u00edch ve stroj\u00edrenstv\u00ed a stavebnictv\u00ed, k ekologick\u00e9mu \u010di\u0161t\u011bn\u00ed povrchu technologi\u00ed Cryoclean. V leteck\u00e9 p\u0159eprav\u011b \u2013 jako chladivo j\u00eddla a n\u00e1poj\u016f na palub\u011b letadel. Pro spole\u010densk\u00e9 akce– v podob\u011b kou\u0159ov\u00fdch efekt\u016f, kdy se ledov\u00e1 kr\u00e1sa such\u00e9ho ledu pol\u00e9v\u00e1 teplou vodou, a d\u00fdm se pak plaz\u00ed po zemi.                                                                                                                                                                                                                                                                                                                                                                                                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