{"id":11994,"date":"2020-11-24T11:43:50","date_gmt":"2020-11-24T10:43:50","guid":{"rendered":"https:\/\/cidladev.mh370.cz\/nicht-kategorisiert\/co-je-to-kvalita-vzduchu-a-jak-s-tim-souvisi-pojmy-voc-a-tvoc\/"},"modified":"2020-11-24T11:43:50","modified_gmt":"2020-11-24T10:43:50","slug":"co-je-to-kvalita-vzduchu-a-jak-s-tim-souvisi-pojmy-voc-a-tvoc","status":"publish","type":"post","link":"https:\/\/cidladev.mh370.cz\/de\/ungeordnet\/co-je-to-kvalita-vzduchu-a-jak-s-tim-souvisi-pojmy-voc-a-tvoc\/","title":{"rendered":"Co je to kvalita vzduchu a&nbsp;jak s&nbsp;t\u00edm souvis\u00ed pojmy VOC a&nbsp;TVOC"},"content":{"rendered":"<h1>Co je to kvalita vzduchu a&nbsp;jak s&nbsp;t\u00edm souvis\u00ed pojmy VOC a&nbsp;TVOC<br \/>\n<a href=\"https:\/\/www.cidla.cz\/produkty\/cidla-voc\/\">(a&nbsp;jejich m\u011b\u0159en\u00ed)<\/a><\/h1>\n<h4>Pojem \u201eVOC\u201c neboli t\u011bkav\u00e9 organick\u00e9 l\u00e1tky vznikl z&nbsp;anglick\u00fdch slov Volatile Organic Compounds.<br \/>\n(T\u011bkav\u00fd = prchav\u00fd, tedy za&nbsp;pokojov\u00e9 teploty v\u00a0plynn\u00e9m stavu)<\/h4>\n<p>O&nbsp;kvalitu vzduchu se lid\u00e9 za\u010dali hloub\u011bji zaj\u00edmat teprve v&nbsp;druh\u00e9 polovin\u011b minul\u00e9ho stolet\u00ed, kdy se ve vnit\u0159n\u00edm prost\u0159ed\u00ed za\u010dalo objevovat \u010d\u00edm d\u00e1l v\u00edce lid\u00ed a&nbsp;tr\u00e1vili zde del\u0161\u00ed dobu. U&nbsp;t\u011bch se pak za\u010daly projevovat nep\u0159\u00edjemn\u00e9 pocity jako je \u00fanava, ospalost, bolesti hlavy a\u017e nevolnost nebo r\u016fzn\u00e9 projevy alergi\u00ed \u2013 a&nbsp;to v\u0161e z&nbsp;podstatn\u00e9 \u010d\u00e1sti vlivem n\u00edzk\u00e9 kvality vzduchu.<\/p>\n<p>A\u0165 u\u017e se n\u00e1m to l\u00edb\u00ed nebo ne, kvalitu vnit\u0159n\u00edho prost\u0159ed\u00ed nejv\u00edce negativn\u011b ovliv\u0148ujeme pr\u00e1v\u011b my sami &#8211; vlastn\u00edm procesem d\u00fdch\u00e1n\u00ed nebo i&nbsp;zv\u00fd\u0161enou metabolickou \u010dinnost\u00ed spojenou s&nbsp;intenzivn\u00ed fyzickou aktivitou v&nbsp;dan\u00e9m prostoru.<\/p>\n<p>Lidsk\u00e9 t\u011blo tedy vylu\u010duje dechem, potem, transpirac\u00ed poko\u017ekou a&nbsp;podobn\u011b mimo zn\u00e1m\u00fd <a href=\"https:\/\/www.cidla.cz\/produkty\/cidla-co2\/\"><span style=\"text-decoration: underline;\">oxid uhli\u010dit\u00fd<\/span><\/a> i&nbsp;dal\u0161\u00ed l\u00e1tky jako je \u010dpavek, aceton, etylen, metan a&nbsp;mnoho dal\u0161\u00edch druh\u016f t\u011bkav\u00fdch organick\u00fdch l\u00e1tek, kter\u00e9 vznikaj\u00ed v&nbsp;procesu tr\u00e1ven\u00ed organick\u00e9 potravy. To v\u0161e v&nbsp;z\u00e1vislosti na&nbsp;v\u011bku, stravovac\u00edch zvyklostech, zdravotn\u00edm stavu, celkov\u00e9 kondici a&nbsp;samoz\u0159ejm\u011b i&nbsp;aktu\u00e1ln\u00ed fyzick\u00e9 aktivit\u011b.<\/p>\n<p>Mohou to b\u00fdt ov\u0161em i&nbsp;dal\u0161\u00ed<strong>\u00a0podstatn\u00e9 zdroje zne\u010di\u0161t\u011bn\u00ed<\/strong> mimo vlastn\u00ed metabolickou \u010dinnost \u010dlov\u011bka, v\u00a0podstat\u011b bychom mohli \u0159\u00edct, \u017ee generujeme svou \u010dinnost\u00ed dal\u0161\u00ed r\u016fzn\u00e9 od\u00e9ry a&nbsp;z\u00e1pachy, kter\u00e9 jsou nep\u0159\u00edjemn\u00e9 a&nbsp;\u010dasto i&nbsp;zdrav\u00ed \u0161kodliv\u00e9 l\u00e1tky.<\/p>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>Mezi dal\u0161\u00ed v\u00fdznamn\u00e9 zdroje VOC m\u016f\u017eeme zahrnout:<\/h3>\n<ul>\n<li>va\u0159en\u00ed, sma\u017een\u00ed a&nbsp;jin\u00e9 technologick\u00e9 procesy<\/li>\n<li>n\u00e1t\u011bry, lepidla<\/li>\n<li>\u010distic\u00ed, desinfek\u010dn\u00ed prost\u0159edky<\/li>\n<li>n\u00e1bytek<\/li>\n<li>podlahov\u00e9 materi\u00e1ly, koberce<\/li>\n<li>tak\u00e9 i&nbsp;vonn\u00e9 sv\u00ed\u010dky, parf\u00e9my a&nbsp;kosmetick\u00e9 prost\u0159edky<\/li>\n<li>\u2026<\/li>\n<\/ul>\n<p>V\u00a0minul\u00e9m stolet\u00ed v\u011bdci odhadovali, \u017ee t\u011bkav\u00fdch organick\u00fdch l\u00e1tek je p\u0159ibli\u017en\u011b <strong>5\u00a0tis\u00edc<\/strong>. Dnes s\u00a0p\u0159ib\u00fdvaj\u00edc\u00edmi plasty, chemick\u00fdmi prost\u0159edky, lepidly, n\u00e1t\u011bry, atd. se jejich po\u010det odhaduje na&nbsp;<strong>v\u00edce ne\u017e 10\u00a0tis\u00edc<\/strong> r\u016fzn\u00fdch druh\u016f.<\/p>\n<\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9234 aligncenter\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2020\/10\/VOC.jpg\" alt=\"\" width=\"558\" height=\"366\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><\/h3>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9269 aligncenter\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2020\/11\/voc-co2-b-V2-cz-1024x557.jpg\" alt=\"\" width=\"640\" height=\"348\" \/>\n<\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>Pro\u010d se ov\u0161em posuzuje kvalita vzduchu hlavn\u011b podle koncentrace CO<sub>2<\/sub>?<\/h3>\n<p>Je to proto, \u017ee ve vydechovan\u00e9m vzduchu ve vnit\u0159n\u00edm prost\u0159ed\u00ed je koncentrace CO<sub>2<\/sub> zhruba 50x vy\u0161\u0161\u00ed ne\u017e je ve\u00a0vdechovan\u00e9m vzduchu. To je d\u016fvod, pro\u010d je koncentrace CO<sub>2<\/sub> <strong>velmi dobr\u00fdm <\/strong><strong>indik\u00e1torem <\/strong><strong>vyd\u00fdchan\u00e9ho vzduchu<\/strong>.<\/p>\n<p>Pro \u0159\u00edzen\u00ed v\u011btr\u00e1n\u00ed se vlastn\u011b vyu\u017e\u00edv\u00e1 faktu, \u017ee pokud stoup\u00e1 koncentrace CO<sub>2<\/sub>, tak stoup\u00e1 i&nbsp;koncentrace t\u011bkav\u00fdch organick\u00fdch l\u00e1tek. A&nbsp;kdy\u017e se tedy za\u010dne v\u011btrat na&nbsp;z\u00e1klad\u011b zv\u00fd\u0161en\u00e9 koncentrace CO<sub>2<\/sub>, tak <strong>klesne koncentrace jak CO<sub>2<\/sub>, tak i&nbsp;koncentrace VOC<\/strong> a&nbsp;c\u00edt\u00edme se l\u00e9pe. Toto je d\u00edky precizn\u00edm <a href=\"https:\/\/www.cidla.cz\/produkty\/cidla-co2\/\">\u010didl\u016fm CO<sub>2<\/sub><\/a> kter\u00e9 p\u0159\u00edmo kontroluj\u00ed vzduchotechnick\u00e9 jednotky a&nbsp;d\u00edky tomu se v\u011btr\u00e1 na&nbsp;z\u00e1klad\u011b aktu\u00e1ln\u00ed koncentrace CO<sub>2<\/sub>.<\/p>\n<p>Dal\u0161\u00edm d\u016fvodem je, \u017ee na&nbsp;rozd\u00edl od velk\u00e9ho mno\u017estv\u00ed r\u016fzn\u00fdch druh\u016f VOC l\u00e1tek sta\u010d\u00ed s\u00a0rozumn\u00fdmi n\u00e1klady a&nbsp;s\u00a0dostate\u010dnou p\u0159esnost\u00ed sledovat koncentraci <strong>pouze jedn\u00e9 l\u00e1tky &#8211; CO<sub>2<\/sub><\/strong>, kter\u00e1 m\u00e1 velmi dobrou vypov\u00eddac\u00ed schopnost o&nbsp;tom, jak je aktu\u00e1ln\u011b vzduch v&nbsp;dan\u00e9m prostoru vyd\u00fdchan\u00fd a&nbsp;tedy pod\u00e1v\u00e1 n\u00e1m jasnou informaci o&nbsp;nutnosti v\u011btr\u00e1n\u00ed. Viz graf vlevo:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>Pro jak\u00e9 prostory je tedy vhodn\u00e9 <a href=\"https:\/\/www.cidla.cz\/produkty\/cidla-voc\/\">\u010didlo VOC?<\/a><\/h3>\n<p>Existuj\u00ed samoz\u0159ejm\u011b prostory, kde by \u010didlo CO<sub>2 <\/sub>ukazovalo n\u00edzk\u00e9 hodnoty navzdory na\u0161im nep\u0159\u00edjemn\u00fdm pocit\u016fm, jeliko\u017e nem\u011b\u0159\u00ed pr\u00e1v\u011b ty z\u00e1pachy a&nbsp;od\u00e9ry, kter\u00e9 se tam vyskytuj\u00ed a&nbsp;p\u0159edstavuj\u00ed <strong>p\u0159eva\u017euj\u00edc\u00ed zne\u010di\u0161t\u011bn\u00ed vzduchu <\/strong>v dan\u00e9m prostoru.<\/p>\n<p>P\u0159\u00edkladem takov\u00fdchto prostor mohou b\u00fdt:<\/p>\n<ul>\n<li>z\u00e1vodn\u00ed, profesion\u00e1ln\u00ed kuchyn\u011b<\/li>\n<li>toalety<\/li>\n<li>\u0161atny<\/li>\n<li>t\u011blocvi\u010dny, fitcentra<\/li>\n<li>\u2026<\/li>\n<\/ul>\n<p>V\u00a0takov\u00fdchto prostorech pak m\u016f\u017ee b\u00fdt z\u00e1vislost mezi CO<sub>2<\/sub> a&nbsp;VOC nap\u0159\u00edklad jako na&nbsp;grafu vpravo:<\/p>\n<\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9280 aligncenter\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2020\/11\/voc-co2-V4.jpg\" alt=\"\" width=\"640\" height=\"349\" \/>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Pojem \u201eTVOC\u201c<\/strong><\/h2>\n<p>Toto ozna\u010den\u00ed p\u0159edstavuje tzv.&nbsp;Total Volatile Organic Compounds (TVOC), tedy jak\u00fdsi souhrn VOC l\u00e1tek v\u00a0monitorovan\u00e9m vzduchu. TVOC obecn\u011b zahrnuje \u0161irok\u00fd rozsah r\u016fzn\u00fdch organick\u00fdch l\u00e1tek, kter\u00e9 jsou \u010dasto chemicky velmi podobn\u00e9 a&nbsp;obt\u00ed\u017en\u011b rozli\u0161iteln\u00e9, co\u017e m\u011blo za&nbsp;n\u00e1sledek vznik v\u00edce r\u016fzn\u00fdch TVOC standard\u016f.<\/p>\n<p>Protronix VOC \u010didla svoj\u00ed citlivostn\u00ed charakteristikou odpov\u00eddaj\u00ed dv\u011bma <strong>u<\/strong><strong>zn\u00e1van\u00fdm mezin\u00e1rodn\u00edm standard\u016fm<\/strong> a&nbsp;to standardu EPA (Environmental Protection Agency) a&nbsp;UBA (UmweltBundesAmt).<\/p>\n<h2><strong>Pojem \u201eeCO<sub>2<\/sub>\u201c<\/strong><\/h2>\n<p>D\u00e1le se m\u016f\u017eete v\u00a0souvislosti s\u00a0m\u011b\u0159en\u00edm VOC setkat s\u00a0pojmem eCO<sub>2<\/sub>. Aby bylo mo\u017en\u00e9 v\u00a0praxi pou\u017e\u00edt \u010didla VOC podobn\u011b jako \u010didla CO<sub>2<\/sub>, maj\u00ed n\u011bkter\u00e9 senzory VOC Protronix tzv.&nbsp;v\u00fdstup eCO<sub>2<\/sub> (z&nbsp;angl. estimated, p\u0159\u00edpradn\u011b <strong>e<\/strong>quivalent), co\u017e je odhad (estimated = odhadovan\u00fd) koncentrace CO<sub>2<\/sub> u\u010din\u011bn\u00fd na\u00a0z\u00e1klad\u011b aktu\u00e1ln\u011b zji\u0161t\u011bn\u00e9 koncentrace VOC. Tento odhad je zalo\u017een na\u00a0p\u0159edpokladu, \u017ee VOC produkovan\u00e9 lidmi je \u00fam\u011brn\u00e9 vydechovan\u00e9mu CO<sub>2 <\/sub>(viz Obr. 1). V\u00fdhodou je, \u017ee s\u00a0v\u00fdstupem eCO<sub>2<\/sub> je pak mo\u017en\u00e9 pracovat podobn\u011b, jako se sign\u00e1lem ze&nbsp;standardn\u00edho \u010didla CO<sub>2<\/sub>, na&nbsp;kter\u00e9 je mnoho mont\u00e1\u017en\u00edk\u016f zvykl\u00fdch a&nbsp;cena VOC \u010didla je ni\u017e\u0161\u00ed ne\u017e cena CO<sub>2<\/sub> \u010didla pracuj\u00edc\u00edho na&nbsp;optick\u00e9m principu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Co je to kvalita vzduchu a&nbsp;jak s&nbsp;t\u00edm souvis\u00ed pojmy VOC a&nbsp;TVOC (a&nbsp;jejich m\u011b\u0159en\u00ed) Pojem \u201eVOC\u201c neboli t\u011bkav\u00e9 organick\u00e9 l\u00e1tky vznikl z&nbsp;anglick\u00fdch slov Volatile Organic Compounds. (T\u011bkav\u00fd = prchav\u00fd, tedy za&nbsp;pokojov\u00e9 teploty v\u00a0plynn\u00e9m stavu) O&nbsp;kvalitu vzduchu se lid\u00e9 za\u010dali hloub\u011bji zaj\u00edmat teprve v&nbsp;druh\u00e9 polovin\u011b minul\u00e9ho stolet\u00ed, kdy se ve vnit\u0159n\u00edm prost\u0159ed\u00ed za\u010dalo objevovat \u010d\u00edm d\u00e1l v\u00edce&#8230;<\/p>\n","protected":false},"author":4,"featured_media":11975,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54,65],"tags":[],"class_list":["post-11994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ungeordnet","category-luftqualitatsensoren"],"acf":[],"_links":{"self":[{"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/posts\/11994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/comments?post=11994"}],"version-history":[{"count":0,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/posts\/11994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/media\/11975"}],"wp:attachment":[{"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/media?parent=11994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/categories?post=11994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cidladev.mh370.cz\/de\/wp-json\/wp\/v2\/tags?post=11994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}