Infra\u010derven\u00fd spektrofotometer je stolov\u00e9 zariadenie, s jednoduch\u00fdm ovl\u00e1dan\u00edm pre r\u00fdchlu anal\u00fdzu vzoriek. Samotn\u00e9 meranie vzorku nede\u0161truuje, av\u0161ak pri met\u00f3de ATR je potrebn\u00fd pr\u00edtlak vzorky na merac\u00ed kry\u0161t\u00e1l. Tento pr\u00edtlak m\u00f4\u017ee predstavova\u0165 riziko pre krehk\u00e9 materi\u00e1ly (napr. \u00falomky fresky, dreva, tenk\u00e9 vrstvy polym\u00e9rnych materi\u00e1lov, krehk\u00e9 povrchy at\u010f.)<\/p>\n
Typy vhodn\u00fdch vzoriek pre ATR-met\u00f3du s\u00fa pevnej\u0161ie materi\u00e1ly o hr\u00fabke od desiatok mikrometrov po milimetre (l\u00e1tky pr\u00edrodnej aj syntetickej povahy ako plasty, listiny, povrchov\u00e9 \u00fapravy \u2013 n\u00e1tery, tkaniny at\u010f.). Nako\u013eko sign\u00e1l je funkciou pr\u00edtlaku pevnej vzorky ku kry\u0161t\u00e1lu, nie je vhodn\u00e9 mera\u0165 vzorky v\u00e4\u010d\u0161\u00edch rozmerov resp. ve\u013emi hrub\u00e9. Je tie\u017e mo\u017en\u00e9 mera\u0165 tatie\u017e kvapaln\u00e9 vzorky. Napr\u00edklad pri priamom porovn\u00e1van\u00ed typov rozp\u00fa\u0161\u0165adiel pou\u017e\u00edvan\u00fdch v lepidl\u00e1ch.<\/p>\n
V\u00fdstup anal\u00fdzy: V\u00fdstupom merania vzorky s\u00fa spektr\u00e1 (z\u00e1vislos\u0165 intenzity od recipro\u010dn\u00fdch cm), ktor\u00e9 sa interpretuj\u00fa za \u00fa\u010delom porovnania so \u0161tandardom, alebo tabu\u013ekami, pomocou ktor\u00fdch sa odhaduje jej chemick\u00e9 zlo\u017eenie.<\/p>\n
Parametre: rozsah 4000-500 cm-1; spektr\u00e1lne rozl\u00ed\u0161enie 0,25 cm-1; pomer sign\u00e1l-\u0161um 50 000:1.<\/p>\n
Pr\u00edstroj je majetkom Slovenskej n\u00e1rodnej gal\u00e9rie<\/strong> a je dlhodobo umiestnen\u00fd na FCHPT STU v r\u00e1mci spolupr\u00e1ce na v\u00fdskume a vzdel\u00e1van\u00ed medzi FCHPT STU a SNG, zastre\u0161enej Zmluvou o spolupr\u00e1ci z\u00a0r. 2020.<\/p>\n","protected":false},"excerpt":{"rendered":" Infra\u010derven\u00fd spektrofotometer je stolov\u00e9 zariadenie, s jednoduch\u00fdm ovl\u00e1dan\u00edm pre r\u00fdchlu anal\u00fdzu vzoriek. Samotn\u00e9 meranie vzorku nede\u0161truuje, av\u0161ak pri met\u00f3de ATR je potrebn\u00fd pr\u00edtlak vzorky na merac\u00ed kry\u0161t\u00e1l. Tento pr\u00edtlak m\u00f4\u017ee predstavova\u0165 riziko pre krehk\u00e9 materi\u00e1ly (napr. \u00falomky fresky, dreva, tenk\u00e9 vrstvy polym\u00e9rnych materi\u00e1lov, krehk\u00e9 povrchy at\u010f.) Typy vhodn\u00fdch vzoriek pre ATR-met\u00f3du s\u00fa pevnej\u0161ie materi\u00e1ly o […]<\/p>\n","protected":false},"author":3,"featured_media":700,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[38],"class_list":["post-699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oddelenie-dreva-celulozy-a-papiera","tag-ine-spektrometrie"],"_links":{"self":[{"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/posts\/699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=699"}],"version-history":[{"count":7,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/posts\/699\/revisions"}],"predecessor-version":[{"id":935,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/posts\/699\/revisions\/935"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=\/wp\/v2\/media\/700"}],"wp:attachment":[{"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pristroje.fchpt.stuba.sk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}