{"id":113472,"date":"2024-07-26T10:15:24","date_gmt":"2024-07-26T08:15:24","guid":{"rendered":"https:\/\/www.linseis.com\/termal-analiz-yoentemleri\/dinamik-diferansiyel-kalorimetri\/"},"modified":"2026-01-23T11:42:20","modified_gmt":"2026-01-23T10:42:20","slug":"dinamik-diferansiyel-kalorimetri","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/tr\/termal-analiz-yoentemleri\/dinamik-diferansiyel-kalorimetri\/","title":{"rendered":"Dinamik diferansiyel kalorimetri"},"content":{"rendered":"\t\t
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\n\nDiferansiyel taramal\u0131 kalorimetri\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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Diferansiyel taramal\u0131 kalorimetri 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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Diferansiyel taramal\u0131 kalorimetri (DSC) termal analizdeki en \u00f6nemli tekniklerden biridir. DSC analiz kay\u0131tlar\u0131 endotermik ve ekzotermik ge\u00e7i\u015fler<\/strong><\/a> Kat\u0131 ve s\u0131v\u0131lar\u0131n d\u00f6n\u00fc\u015f\u00fcm s\u0131cakl\u0131klar\u0131n\u0131n ve entalpilerinin s\u0131cakl\u0131\u011f\u0131n bir fonksiyonu olarak belirlenmesi gibi. <\/p>

Bir numunenin izotermal bir deneyde \u0131s\u0131 emilimini ve sal\u0131n\u0131m\u0131n\u0131 izlemek i\u00e7in yal\u0131t\u0131lm\u0131\u015f bir odaya yerle\u015ftirildi\u011fi klasik kalorimetrinin aksine, diferansiyel taramal\u0131 kalorimetri dinamik bir y\u00f6ntemdir.<\/p><\/div><\/div><\/div><\/section>

Tipik bir kalorimetre, bir numunenin \u00e7evreleyen bir ortama yerle\u015ftirildi\u011fi yal\u0131t\u0131lm\u0131\u015f bir odad\u0131r. Numune daha sonra belirli bir miktar \u0131s\u0131 ile \u0131s\u0131t\u0131l\u0131r. Numune ve \u00e7evresindeki ortam aras\u0131ndaki s\u0131cakl\u0131k fark\u0131, numunenin \u0131s\u0131 kapasitesini ve numunenin \u0131s\u0131 sal\u0131n\u0131m\u0131 ve \u0131s\u0131 t\u00fcketimi hakk\u0131nda bilgi sa\u011flar. Buna ek olarak, dinamik diferansiyel kalorimetride ayn\u0131 ko\u015fullara maruz b\u0131rak\u0131lan bir numune ve bir referans kullan\u0131l\u0131r ve bunlar\u0131n sinyali do\u011frudan birbirinden \u00e7\u0131kar\u0131l\u0131r. <\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Dinamik diferansiyel kalorimetri nerede 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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DSC analizi, a\u015fa\u011f\u0131dakiler gibi \u00e7ok \u00e7e\u015fitli end\u00fcstrilerde bir\u00e7ok uygulama i\u00e7in kullan\u0131l\u0131r poli\u0307mer karakteri\u0307zasyonu<\/b><\/a> yan\u0131 s\u0131ra akademik alanda temel ara\u015ft\u0131rma<\/strong><\/a> akademide kullan\u0131lmaktad\u0131r. \u00d6rnekler aras\u0131nda cams\u0131 ge\u00e7i\u015fin belirlenmesi<\/strong><\/a> ve kimyasal reaksiyonlar\u0131n, erime ve kristalle\u015fme davran\u0131\u015flar\u0131n\u0131n<\/b><\/a> incelenmesi<\/strong>. <\/p>

Di\u011fer DSC uygulamalar\u0131 katk\u0131 maddelerinin, dolgu maddelerinin veya malzemelerin i\u015flenmesinin etkisiyle ilgilidir<\/strong>. Bireysel DSC e\u011frilerinin karakteristik \u015fekli kalite kontrol uygulamalar\u0131 i\u00e7in de kullan\u0131l\u0131r. <\/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

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DTA ve DSC aras\u0131ndaki fark 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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DSC ve DTA aras\u0131ndaki fark \u015fudur: DSC \u0131s\u0131 ak\u0131\u015f\u0131 fark\u0131n\u0131 \u00f6l\u00e7er<\/strong> ve DTA<\/strong> bir referans numune ile ilgilenilen numune aras\u0131ndaki s\u0131cakl\u0131k fark\u0131n\u0131 \u00f6l\u00e7<\/strong> er.<\/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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\"\"<\/p>

Optik dilatometri – \u0131s\u0131tma i\u015flemi s\u0131ras\u0131nda siyah beyaz g\u00f6r\u00fcnt\u00fc<\/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

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Is\u0131 ak\u0131\u015fl\u0131 DSC prensibi ile g\u00fc\u00e7 dengelemeli DSC prensibi aras\u0131ndaki fark nedir?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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DSC cihazlar\u0131 iki temel \u00f6l\u00e7\u00fcm prensibine g\u00f6re \u00fcretilir: \u0131s\u0131 ak\u0131s\u0131 prensibi ve g\u00fc\u00e7 dengeleme prensibi. Her iki varyant da bilim camias\u0131nda \u0131s\u0131 ak\u0131l\u0131 DSC ve g\u00fc\u00e7 kompanzasyonlu DSC olarak bilinir. <\/p>

Is\u0131 ak\u0131s\u0131 DSC<\/strong> ‘de, \u0131s\u0131 ak\u0131s\u0131ndaki de\u011fi\u015fiklikler \u0394Tref<\/sub> e\u011frisinin entegre edilmesiyle hesaplan\u0131r. Bu t\u00fcr bir DSC analizi i\u00e7in, bir numune ve bir referans krozesi, krozenin s\u0131cakl\u0131\u011f\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in entegre s\u0131cakl\u0131k sens\u00f6rlerine sahip bir numune tutucuya yerle\u015ftirilir. Bu d\u00fczenleme, s\u0131cakl\u0131k kontroll\u00fc bir f\u0131r\u0131n i\u00e7inde yer al\u0131r. Klasik tasar\u0131m\u0131n aksine, bu DSC’nin karakteristik \u00f6zelli\u011fi, d\u00fcz bir \u0131s\u0131t\u0131c\u0131y\u0131 \u00e7evreleyen d\u00fcz s\u0131cakl\u0131k sens\u00f6rlerinin dikey olarak d\u00fczenlenmesidir. Bu d\u00fczenleme, bir DSC f\u0131r\u0131n\u0131n\u0131n tam i\u015flevselli\u011fine sahip \u00e7ok kompakt, hafif ve d\u00fc\u015f\u00fck \u0131s\u0131 kapasiteli bir yap\u0131 sa\u011flar. <\/p>

G\u00fc\u00e7 dengelemeli DSC analizinde<\/strong> numune ve referans krozesi uzamsal olarak ayr\u0131l\u0131r. Daha sonra her iki haznenin s\u0131cakl\u0131\u011f\u0131, her iki tarafta da her zaman ayn\u0131 s\u0131cakl\u0131k olacak \u015fekilde kontrol edilir. Daha sonra iki kroze aras\u0131ndaki s\u0131cakl\u0131k fark\u0131 yerine bu durumu elde etmek ve korumak i\u00e7in gereken elektrik g\u00fcc\u00fc kaydedilir. <\/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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Dinamik diferansiyel kalorimetri i\u00e7in standartlar?<\/h2>\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
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  • DIN 53765: Plastiklerin ve elastomerlerin testi; termal analiz; diferansiyel taramal\u0131 kalorimetri (DDK)

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  • DIN 51007:2019-04: Termal analiz (TA) – Diferansiyel termal analiz (DTA) ve diferansiyel taramal\u0131 kalorimetri (DSC) – Genel ilkeler

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  • DIN EN 6041:2018-03: Havac\u0131l\u0131k ve uzay serisi – Metalik olmayan malzemeler – Test y\u00f6ntemleri – Metalik olmayan malzemelerin (sertle\u015ftirilmemi\u015f) diferansiyel taramal\u0131 kalorimetre (DSC) ile analizi; Almanca ve \u0130ngilizce versiyon EN 6041:2018

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  • DIN EN 728: Plastik boru ve kanal sistemleri – Poliolefin borular ve ba\u011flant\u0131 par\u00e7alar\u0131 – Oksidasyon-ind\u00fcksiyon s\u00fcresinin belirlenmesi; Almanca versiyon EN 728:1997

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  • DIN EN ISO 11357-1, -2, -3, -4 ve -6: Plastikler – Diferansiyel tarama kalorimetrisi (DSC) – B\u00f6l\u00fcm 1: Genel ilkeler (ISO 11357-1:2016); Almanca versiyon EN ISO 11357-1:2016

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  • ASTM E 126: ASTM Hidrometrelerin Muayenesi, Kalibrasyonu ve Do\u011frulanmas\u0131 i\u00e7in Standart Test Y\u00f6ntemi

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  • ASTM E 1356: Diferansiyel Taramal\u0131 Kalorimetri ile Cams\u0131 Ge\u00e7i\u015f S\u0131cakl\u0131klar\u0131n\u0131n Belirlenmesi i\u00e7in Standart Test Y\u00f6ntemi<\/li><\/ul>\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":"

    Diferansiyel taramal\u0131 kalorimetri Diferansiyel taramal\u0131 kalorimetri nedir? Diferansiyel taramal\u0131 kalorimetri (DSC) termal analizdeki en \u00f6nemli tekniklerden biridir. DSC analiz kay\u0131tlar\u0131 endotermik ve ekzotermik ge\u00e7i\u015fler Kat\u0131 ve s\u0131v\u0131lar\u0131n d\u00f6n\u00fc\u015f\u00fcm s\u0131cakl\u0131klar\u0131n\u0131n ve entalpilerinin s\u0131cakl\u0131\u011f\u0131n bir fonksiyonu olarak belirlenmesi gibi. Bir numunenin izotermal bir deneyde \u0131s\u0131 emilimini ve sal\u0131n\u0131m\u0131n\u0131 izlemek i\u00e7in yal\u0131t\u0131lm\u0131\u015f bir odaya yerle\u015ftirildi\u011fi klasik kalorimetrinin aksine, […]<\/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-113472","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113472","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=113472"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113472\/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=113472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}