{"id":113494,"date":"2024-07-26T11:20:55","date_gmt":"2024-07-26T09:20:55","guid":{"rendered":"https:\/\/www.linseis.com\/termal-analiz-yoentemleri\/termogravimetri\/"},"modified":"2026-01-23T11:43:04","modified_gmt":"2026-01-23T10:43:04","slug":"termogravimetri","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/tr\/termal-analiz-yoentemleri\/termogravimetri\/","title":{"rendered":"Termogravimetri"},"content":{"rendered":"\t\t
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\n\nTermogravimetri\n\n<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Linseis<\/span><\/a><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Termogravimetrik analiz nedir?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Termogravimetri ya da termogravimetrik analiz, termogravimetrik bile\u015fiklerin \u00f6l\u00e7\u00fcm\u00fcn\u00fc yapan analitik bir y\u00f6ntemdir. k\u00fctle de\u011fi\u015fimi<\/a><\/strong> s\u0131cakl\u0131k yoluyla kontroll\u00fc bir s\u0131cakl\u0131k profiline maruz b\u0131rak\u0131lan bir numunenin. Numune \u0131s\u0131tma, so\u011futma veya izotermal ad\u0131mlardan ge\u00e7ebilir. Elde edilen \u00f6l\u00e7\u00fcm sinyali genellikle [mg] cinsinden mutlak k\u00fctle de\u011fi\u015fimini ve [%] cinsinden ba\u011f\u0131l k\u00fctle de\u011fi\u015fimini g\u00f6sterir. <\/p><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Bir termobalans\u0131n yap\u0131s\u0131<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Klasik termogravimetride, bir numune genellikle inert malzemeden (\u00f6rne\u011fin platin, al\u00fcminyum oksit, alt\u0131n…) olu\u015fan bir potaya yerle\u015ftirilir ve kontroll\u00fc atmosfer ve s\u0131cakl\u0131klar uygulayabilen bir f\u0131r\u0131n i\u00e7indeki bir sens\u00f6r\u00fcn \u00fczerine yerle\u015ftirilir (\u015eema 1).<\/p><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/p>

Tipik bir termogravimetrik analiz\u00f6r\u00fcn yerle\u015fim \u015femas\u0131<\/em><\/p><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Sens\u00f6r, deney s\u0131ras\u0131nda k\u00fctledeki de\u011fi\u015fimi kaydeden y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckl\u00fc bir mikro teraziye ba\u011fl\u0131d\u0131r. \u00c7o\u011fu termogravimetrik analiz\u00f6rde bu ama\u00e7la dengeleme terazileri kullan\u0131l\u0131r (\u015eema 2). <\/p><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Y\u00fcksek hassasiyetli kiri\u015f terazisi<\/strong><\/h5>

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<\/p><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Bir elektromekanik kompanzasyon terazisi, bir elektrom\u0131knat\u0131s\u0131n uygulanan k\u00fctleyi bir elektrom\u0131knat\u0131s arac\u0131l\u0131\u011f\u0131yla kompanse etti\u011fi bir terazinin \u00f6zel bir versiyonudur. \u00d6zellikle, k\u00fctle form\u00fclle tan\u0131mland\u0131\u011f\u0131 i\u00e7in m\u0131knat\u0131s a\u011f\u0131rl\u0131k kuvvetini telafi eder: <\/p><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Yer\u00e7ekimi kuvveti genellikle kalibrasyon nedeniyle bilindi\u011finden veya \u00e7ubuk d\u00fczene\u011finde oldu\u011fu gibi bir kar\u015f\u0131 a\u011f\u0131rl\u0131k kullan\u0131ld\u0131\u011f\u0131nda, a\u011f\u0131rl\u0131k kuvveti do\u011frudan k\u00fctleye neden olabilir. Termogravimetrik analiz\u00f6rlere ek olarak, laboratuvar terazileri de genellikle ayn\u0131 prensibe g\u00f6re \u00e7al\u0131\u015f\u0131r. <\/p>

Numune termal bir de\u011fi\u015fime u\u011frarken, terazi genellikle ayr\u0131 bir oda gibi statik bir s\u0131cakl\u0131k ortam\u0131nda veya sens\u00f6rden belirli bir mesafede tutulur.<\/p>

Numunenin tam s\u0131cakl\u0131\u011f\u0131, hassas s\u0131cakl\u0131k tespiti i\u00e7in Seebeck etkisini kullanan termokupllar taraf\u0131ndan izlenir. Diyagram 3 tipik bir termogravimetrik \u00f6l\u00e7\u00fcm\u00fc g\u00f6stermektedir (s\u0131cakl\u0131\u011f\u0131n bir fonksiyonu olarak ba\u011f\u0131l a\u011f\u0131rl\u0131k de\u011fi\u015fimi). <\/p><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"\"<\/p>

Tipik termogravimetrik sonu\u00e7 e\u011frisi<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Termogravimetri hangi alanlarda kullan\u0131l\u0131r?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Termogravimetri bir\u00e7ok end\u00fcstride ve ara\u015ft\u0131rmada kullan\u0131lmaktad\u0131r. Seramik end\u00fcstrisi<\/a><\/strong>Kimya, polimer<\/a><\/strong>– ve in\u015faat end\u00fcstrilerinin yan\u0131 s\u0131ra enerji depolama, batarya ara\u015ft\u0131rmalar\u0131 ve petrol end\u00fcstrisi termogravimetrik analiz\u00f6rleri kullanmaktad\u0131r. Tipik uygulamalar aras\u0131nda genel termal ayr\u0131\u015fma \u00e7al\u0131\u015fmalar\u0131, k\u00fcl veya organik i\u00e7eri\u011fin belirlenmesi, gravimetrik sorpsiyon \u00e7al\u0131\u015fmalar\u0131, termal stabilite ve oksidasyon \u00e7al\u0131\u015fmalar\u0131, malzeme analizi ve di\u011ferleri yer almaktad\u0131r. Bu tekni\u011fi kullanan n\u00fckleer ara\u015ft\u0131rma veya y\u00fcksek bas\u0131n\u00e7l\u0131 proses \u00e7al\u0131\u015fmalar\u0131 gibi \u00f6zel alanlar da vard\u0131r. <\/p>

Termogravimetri genel olarak termal analizin \u00f6nemli bir unsurudur ve ASTM D 3850, E 914, E 1131, E 1868, DIN 51006 ve ISO 7111, ISO 11358 uluslararas\u0131 standartlar\u0131n\u0131 takip eder.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Termogravimetri Termogravimetrik analiz nedir? Termogravimetri ya da termogravimetrik analiz, termogravimetrik bile\u015fiklerin \u00f6l\u00e7\u00fcm\u00fcn\u00fc yapan analitik bir y\u00f6ntemdir. k\u00fctle de\u011fi\u015fimi s\u0131cakl\u0131k yoluyla kontroll\u00fc bir s\u0131cakl\u0131k profiline maruz b\u0131rak\u0131lan bir numunenin. Numune \u0131s\u0131tma, so\u011futma veya izotermal ad\u0131mlardan ge\u00e7ebilir. Elde edilen \u00f6l\u00e7\u00fcm sinyali genellikle [mg] cinsinden mutlak k\u00fctle de\u011fi\u015fimini ve [%] cinsinden ba\u011f\u0131l k\u00fctle de\u011fi\u015fimini g\u00f6sterir. Bir termobalans\u0131n yap\u0131s\u0131 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":113451,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-113494","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/comments?post=113494"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113494\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113451"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/media?parent=113494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}