{"id":1969,"count":1,"description":"FTIR stands for Fourier Transform Infrared Spectroscopy and is a spectroscopic method used to measure how different materials absorb infrared light. It is widely used in chemistry, materials science, pharmaceutical research and many other fields where the aim is to identify molecular structures or functional groups in a sample.","link":"https:\/\/www.omniprocess.se\/en\/produkt-kategori\/gasanalys\/ftir-spektrometer\/","name":"FTIR spectrometer","slug":"ftir-spectrometer","taxonomy":"product_cat","parent":17,"meta":{"details":"<h2 class=\"\" data-start=\"346\" data-end=\"372\">Vad \u00e4r IR-spektroskopi?<\/h2>\r\n<p class=\"\" data-start=\"374\" data-end=\"727\">I IR-spektroskopi (infrar\u00f6d spektroskopi) bestr\u00e5las ett prov med infrar\u00f6tt ljus. M\u00e5nga molekyl\u00e4ra bindningar vibrerar och roterar p\u00e5 ett s\u00e4tt som g\u00f6r att de absorberar specifika v\u00e5gl\u00e4ngder av detta infrar\u00f6da ljus. Genom att m\u00e4ta vilka v\u00e5gl\u00e4ngder som absorberas kan man dra slutsatser om vilka bindningar och funktionella grupper som finns i molekylerna.<\/p>\r\n\r\n\r\n<hr class=\"\" data-start=\"729\" data-end=\"732\" \/>\r\n\r\n<h2 class=\"\" data-start=\"734\" data-end=\"804\">Hur skiljer sig FTIR fr\u00e5n traditionell (dispersiv) IR-spektroskopi?<\/h2>\r\n<p class=\"\" data-start=\"806\" data-end=\"1390\">Traditionell IR-spektroskopi anv\u00e4nde ett gitter eller prisma f\u00f6r att dela upp IR-ljuset i olika v\u00e5gl\u00e4ngder (frekvenser), varefter man m\u00e4tte absorptionen vid varje frekvens separat. I en FTIR-spektrometer g\u00f6r man i st\u00e4llet en enda m\u00e4tning (interferogram) som omfattar alla v\u00e5gl\u00e4ngder samtidigt, och sedan anv\u00e4nder man en matematisk <strong data-start=\"1137\" data-end=\"1157\">Fouriertransform<\/strong> f\u00f6r att omvandla interferogrammet till ett vanligt IR-spektrum (dvs. ljusintensitet mot v\u00e5gl\u00e4ngd eller v\u00e5gtal). Detta ger snabbare m\u00e4tningar och ofta h\u00f6gre uppl\u00f6sning och b\u00e4ttre signal-brusf\u00f6rh\u00e5llande \u00e4n traditionella IR-instrument.<\/p>"},"menu_order":0,"_links":{"self":[{"href":"https:\/\/www.omniprocess.se\/en\/wp-json\/wp\/v2\/product_cat\/1969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omniprocess.se\/en\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.omniprocess.se\/en\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.omniprocess.se\/en\/wp-json\/wp\/v2\/product_cat\/17"}],"wp:post_type":[{"href":"https:\/\/www.omniprocess.se\/en\/wp-json\/wp\/v2\/product?product_cat=1969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}