{"id":718,"date":"2021-02-04T12:16:33","date_gmt":"2021-02-04T11:16:33","guid":{"rendered":"http:\/\/www.grad.hr\/latom\/?page_id=718"},"modified":"2022-02-23T09:44:32","modified_gmt":"2022-02-23T08:44:32","slug":"termogravimetrijska-analiza-tga","status":"publish","type":"page","link":"https:\/\/www.grad.hr\/latom\/index.php\/hr\/oprema-2\/termogravimetrijska-analiza-tga\/","title":{"rendered":"Termogravimetrijska analiza (TGA)"},"content":{"rendered":"\n<p><strong>Termogravimetrijska analiza (TGA)<\/strong> analiti\u010dka je tehnika koja se koristi za odre\u0111ivanje toplinske stabilnosti materijala i udjela hlapivih komponenata pra\u0107enjem promjene te\u017eine koja se doga\u0111a kada se uzorak zagrijava konstantnom brzinom.<\/p>\n\n\n\n<p>Na polju znanosti o cementu termogravimetrija (TG) ima \u0161iroku upotrebu za prepoznavanje i kvantificiranje specifi\u010dnih mineralo\u0161kih faza hidratiziranih cementnih materijala. Termogravimetrijska analiza (TGA) mjeri H<sub>2<\/sub>O, OH<sup>&#8211;<\/sup>, CO<sub>2<\/sub>, SO<sub>4<\/sub><sup>2-<\/sup> oslobo\u0111ene tijekom zagrijavanja uzorka u N<sub>2<\/sub> okolini.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-1024x768.jpg\" alt=\"\" class=\"wp-image-661\" width=\"558\" height=\"418\" srcset=\"https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-1024x768.jpg 1024w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-300x225.jpg 300w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-768x576.jpg 768w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-1536x1152.jpg 1536w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/01\/TGA-1-2048x1536.jpg 2048w\" sizes=\"(max-width: 558px) 100vw, 558px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Primjer upotrebe:<\/strong> Analiza karbonatizacije betona na razli\u010ditoj dubini u betonskim elementima na Areni Zagreb. Slika prikazuje promjene mase (%) i derivat u odnosu na temperaturu (\u00b0C) za betonski prah uzorkovan na tri razli\u010dite dubine. Vrh CaCO<sub>3<\/sub> u prvih 1,5 cm ve\u0107i je od vrha kod dubljih slojeva, \u0161to ukazuje na vi\u0161i stupanj karbonatizacije, potvr\u0111en progresivnim porastom vrha Ca(OH)<sub>2<\/sub> u dubljim slojevima betona.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"619\" src=\"http:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/02\/TGA-graf-1024x619.png\" alt=\"\" class=\"wp-image-716\" srcset=\"https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/02\/TGA-graf-1024x619.png 1024w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/02\/TGA-graf-300x181.png 300w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/02\/TGA-graf-768x464.png 768w, https:\/\/www.grad.hr\/latom\/wp-content\/uploads\/2021\/02\/TGA-graf.png 1479w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Termogravimetrijska analiza (TGA) analiti\u010dka je tehnika koja se koristi za odre\u0111ivanje toplinske stabilnosti materijala i udjela hlapivih komponenata pra\u0107enjem promjene te\u017eine koja se doga\u0111a kada se uzorak zagrijava konstantnom brzinom. Na polju znanosti o cementu termogravimetrija (TG) ima \u0161iroku upotrebu za prepoznavanje i kvantificiranje specifi\u010dnih mineralo\u0161kih faza hidratiziranih cementnih materijala. Termogravimetrijska analiza (TGA) mjeri H2O, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":611,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Termogravimetrijska analiza (TGA) - LATOM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.grad.hr\/latom\/index.php\/hr\/oprema-2\/termogravimetrijska-analiza-tga\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Termogravimetrijska analiza (TGA) - LATOM\" \/>\n<meta property=\"og:description\" content=\"Termogravimetrijska analiza (TGA) analiti\u010dka je tehnika koja se koristi za odre\u0111ivanje toplinske stabilnosti materijala i udjela hlapivih komponenata pra\u0107enjem promjene te\u017eine koja se doga\u0111a kada se uzorak zagrijava konstantnom brzinom. Na polju znanosti o cementu termogravimetrija (TG) ima \u0161iroku upotrebu za prepoznavanje i kvantificiranje specifi\u010dnih mineralo\u0161kih faza hidratiziranih cementnih materijala. 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