{"id":396341,"date":"2020-12-10T15:10:00","date_gmt":"2020-12-10T14:10:00","guid":{"rendered":"https:\/\/www.hunterlab.eu\/uv-kvantitativ-meghatarozas-az-agera-allo-laboratoriumi-eszkoezzel\/"},"modified":"2026-05-12T12:41:02","modified_gmt":"2026-05-12T11:41:02","slug":"uv-kvantitativ-meghatarozas-az-agera-allo-laboratoriumi-eszkoezzel","status":"publish","type":"post","link":"https:\/\/www.hunterlab.eu\/hu\/uv-kvantitativ-meghatarozas-az-agera-allo-laboratoriumi-eszkoezzel\/","title":{"rendered":"UV-kvantitat\u00edv meghat\u00e1roz\u00e1s az Agera \u00e1ll\u00f3 laborat\u00f3riumi eszk\u00f6zzel"},"content":{"rendered":"

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H\u00fasp\u00f3tl\u00f3 term\u00e9kek sz\u00edn\u00e9nek m\u00e9r\u00e9se<\/h2>\n

” content_phone=”<\/p>\n

H\u00fasp\u00f3tl\u00f3 term\u00e9kek sz\u00edn\u00e9nek m\u00e9r\u00e9se<\/h2>\n

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UV mennyis\u00e9gi meghat\u00e1roz\u00e1s a laborat\u00f3riumban<\/h2>\n

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Optikai feh\u00e9r\u00edt\u0151k \u00e9s feh\u00e9r\u00edt\u0151szerek<\/h4>\n

Az ide\u00e1lis feh\u00e9r fel\u00fclet f\u00e9nyvisszaver\u0151d\u00e9si spektruma minden l\u00e1that\u00f3 hull\u00e1mhossz-tartom\u00e1nyban<\/strong> k\u00f6zel 100 %.<\/strong> Ez a mindennapi \u00e9let\u00fcnkben nem l\u00e9tezik. K\u00fcl\u00f6n\u00f6sen a 400 nm \u00e9s 550 nm k\u00f6z\u00f6tti hull\u00e1mhossztartom\u00e1nyban (k\u00e9k-z\u00f6ld) sz\u00e1mos olyan mindennapi anyag, mint a pap\u00edr, a textilsz\u00e1lak \u00e9s a m\u0171anyagok, amelyeknek val\u00f3j\u00e1ban<\/strong> feh\u00e9rnek kellene<\/strong> lenni\u00fck, term\u00e9szetes \u00f6sszetev\u0151ik vagy el\u0151\u00e1ll\u00edt\u00e1suk miatt az er\u0151s feh\u00e9r\u00edt\u00e9s ellen\u00e9re is jelent\u0151s mennyis\u00e9g\u0171 f\u00e9nyt nyelnek el. Ez t\u00f6bb\u00e9-kev\u00e9sb\u00e9 kifejezett s\u00e1rga vagy barna \u00e1rnyalatot<\/strong> eredm\u00e9nyez ezekben az anyagokban<\/strong>. <\/p>\n

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\"Spektrum<\/p>\n

Az emberi szem a 400 nm \u00e9s 700 nm k\u00f6z\u00f6tti tartom\u00e1nyt l\u00e1tja.
Az ultraibolya sugarak viszont l\u00e1thatatlanok, \u00e9s 100 nm \u00e9s 400 nm k\u00f6z\u00f6tt vannak.<\/em><\/p>\n

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Ennek ellens\u00falyoz\u00e1s\u00e1ra gyakran<\/strong> haszn\u00e1l nak optikai feh\u00e9r\u00edt\u0151ket vagy \u00fagynevezett feh\u00e9r\u00edt\u0151ket<\/strong>. Ezeket a k\u00e9miai anyagokat arra haszn\u00e1lj\u00e1k, hogy a feh\u00e9r term\u00e9keket, p\u00e9ld\u00e1ul mos\u00f3szereket, fogkr\u00e9meket, text\u00edli\u00e1kat vagy pap\u00edrt feh\u00e9rebbnek t\u00fcntess\u00e9k fel<\/strong> az\u00e1ltal, hogy fluoreszcenci\u00e1juk r\u00e9v\u00e9n n\u00f6velik a f\u00e9nyvisszaver\u0151d\u00e9st a 400 \u00e9s 550 nm k\u00f6z\u00f6tti tartom\u00e1nyban. Ezt a hat\u00e1st haszn\u00e1lj\u00e1k a jelz\u0151sz\u00ednek<\/strong> eset\u00e9ben is, hogy<\/strong> a sz\u00ednek vil\u00e1gosabbnak t\u0171njenek. <\/p>\n

Mi t\u00f6rt\u00e9nik a fluoreszcencia sor\u00e1n?<\/h4>\n

\"Agera\"A fluoreszk\u00e1l\u00f3 anyagnak az a tulajdons\u00e1ga, hogy elnyeli a napf\u00e9ny l\u00e1thatatlan ultraibolya tartom\u00e1ny\u00e1b\u00f3l<\/strong> vagy a<\/strong> fluoreszk\u00e1l\u00f3 cs\u00f6vekb\u0151l sz\u00e1rmaz\u00f3<\/strong> f\u00e9nyt, az energia egy r\u00e9sz\u00e9t elnyeli, \u00e9s a nagyobbik r\u00e9sz\u00e9t l\u00e1that\u00f3 tartom\u00e1nyban l\u00e9v\u0151 f\u00e9nyk\u00e9nt bocs\u00e1tja ki. A kibocs\u00e1t\u00e1s \u00e1ltal\u00e1ban a k\u00e9k vagy a z\u00f6ld l\u00e1that\u00f3 f\u00e9nytartom\u00e1nyban t\u00f6rt\u00e9nik. Ez azt jelenti, hogy ebben a tartom\u00e1nyban 100 % feletti visszaver\u0151d\u00e9st m\u00e9rnek<\/strong>, mivel az \u00e1talakult r\u00e9sz hozz\u00e1ad\u00f3dik a besug\u00e1rzott f\u00e9ny visszaver\u0151d\u00e9s\u00e9hez. Ez k\u00fcl\u00f6n\u00f6sen a t\u00e1rgy s\u00e1rga t\u00f3nusait vagy „sz\u00fcrke k\u00f6d\u00e9t”<\/strong> takarja el. A fluoreszcens hat\u00e1sban a kibocs\u00e1tott f\u00e9ny hull\u00e1mhossza \u00e1ltal\u00e1ban 400 \u00e9s 550 nm k\u00f6z\u00f6tt van, azaz a l\u00e1that\u00f3 spektrum k\u00e9k \u00e9s z\u00f6ld tartom\u00e1ny\u00e1ban. Vannak azonban olyan anyagok is, amelyek a v\u00f6r\u00f6s tartom\u00e1nyban fluoreszk\u00e1lnak. <\/p>\n

A fluoreszcens mint\u00e1k sz\u00edn\u00e9nek m\u00e9r\u00e9s\u00e9hez<\/strong> a gerjeszt\u0151 f\u00e9nynek ez\u00e9rt UV-komponenseket kell tartalmaznia. Ha a fluoreszcenciakomponenst szeretn\u00e9 meghat\u00e1rozni, k\u00e9t m\u00e9r\u00e9sre van sz\u00fcks\u00e9g: egy m\u00e9r\u00e9sre a m\u00e9r\u0151villan\u00e1s UV-komponens\u00e9vel \u00e9s egy m\u00e1sikra UV-komponens n\u00e9lk\u00fcl.<\/strong> <\/p>\n

A HunterLab Agera (<\/a> l\u00e1sd fent) k\u00e9pes a f\u00e9nyforr\u00e1s UV komponens\u00e9t be- vagy kikapcsolni \u00e9s kalibr\u00e1lni. Ha az UV tartom\u00e1ny bekapcsol\u00e1sakor 100 % feletti reflexi\u00f3s \u00e9rt\u00e9keket m\u00e9rnek, akkor a minta egy\u00e9rtelm\u0171en fluoreszk\u00e1l\u00f3. Ha ezt az eredm\u00e9nyt \u00f6sszehasonl\u00edtjuk a f\u00e9nyforr\u00e1s UV-komponens n\u00e9lk\u00fcli m\u00e9r\u00e9ssel, meghat\u00e1rozhat\u00f3 a fluoreszcencia komponens. <\/p>\n

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Gyakorlati p\u00e9lda: M\u00e9r\u00e9si m\u00f3dszer – Feh\u00e9r ragaszt\u00f3 m\u00e9r\u00e9se a HunterLab Agera-val<\/h3>\n

Olvassa el a HunterLab NEWS aktu\u00e1lis magazinunkban, hogyan elemezt\u00e9k h\u00e1rom k\u00fcl\u00f6nb\u00f6z\u0151 foly\u00e9kony ragaszt\u00f3mint\u00e1t fluoreszcencia-tartalmuk szempontj\u00e1b\u00f3l egy laborat\u00f3riumi vizsg\u00e1lat sor\u00e1n. A magazinban tov\u00e1bbi izgalmas cikkek is olvashat\u00f3k a folyad\u00e9kok \u00e9s szil\u00e1rd anyagok sz\u00ednm\u00e9r\u00e9se t\u00e9mak\u00f6r\u00e9ben. <\/p>\n

T\u00f6ltse ki az al\u00e1bbi k\u00e9t mez\u0151t, \u00e9s mi elk\u00fcldj\u00fck \u00d6nnek a magazint PDF form\u00e1tumban!<\/em><\/span>[\/et_pb_text][df_gravity_form gravity_forms=”18″ use_ajax=”on” input_padding=”15px||15px||true|false” button_align=”center” button_background_bgcolor=”#2A4175″ button_padding=”15px|20px|15px|20px|true|true” _builder_version=”4.27.4″ _module_preset=”default” button_font=”|700|||||||” button_text_color=”#ffffff” button_font_size=”16px” hover_enabled=”0″ custom_css_main_element=”.gform_wrapper.gravity-theme .gfield input.large, .gform_wrapper.gravity-theme .gfield select.large {|| width: 100%;|| padding-top: 15px;|| padding-bottom: 15px;|| border-radius: 5px;||}” border_radii_input=”on|5px|5px|5px|5px” border_radii_textarea=”on|5px|5px|5px|5px” border_radii_button=”on|5px|5px|5px|5px” border_color_all_button=”#2A4175″ locked=”off” global_colors_info=”{}” button_background_bgcolor__hover_enabled=”on|hover” button_background_bgcolor__hover=”#FFFFFF” button_text_color__hover_enabled=”on|hover” button_text_color__hover=”#2A4175″ sticky_enabled=”0″][\/df_gravity_form][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Az ide\u00e1lis feh\u00e9r fel\u00fclet visszaver\u0151d\u00e9si spektruma minden l\u00e1that\u00f3 hull\u00e1mhossz-tartom\u00e1nyban k\u00f6zel 100 %. Ez a mindennapi \u00e9let\u00fcnkben nem l\u00e9tezik. K\u00fcl\u00f6n\u00f6sen a 400 nm \u00e9s 550 nm k\u00f6z\u00f6tti hull\u00e1mhossztartom\u00e1nyban (k\u00e9k-z\u00f6ld) sz\u00e1mos olyan mindennapi anyag, mint a pap\u00edr, a textilsz\u00e1lak \u00e9s a m\u0171anyagok, amelyeknek val\u00f3j\u00e1ban feh\u00e9rnek kellene lenni\u00fck, term\u00e9szetes \u00f6sszetev\u0151ik vagy el\u0151\u00e1ll\u00edt\u00e1suk miatt az er\u0151s feh\u00e9r\u00edt\u00e9s ellen\u00e9re is jelent\u0151s mennyis\u00e9g\u0171 f\u00e9nyt nyelnek el. Ez t\u00f6bb\u00e9-kev\u00e9sb\u00e9 kifejezett s\u00e1rga vagy barna \u00e1rnyalatot eredm\u00e9nyez ezekben az anyagokban. <\/p>\n","protected":false},"author":3,"featured_media":396343,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2361],"tags":[2402,2401],"class_list":["post-396341","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-szinmeres","tag-laboratoriumi-eszkoez","tag-uv-mennyisegi-meghatarozas"],"_links":{"self":[{"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/posts\/396341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/comments?post=396341"}],"version-history":[{"count":0,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/posts\/396341\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/media\/396343"}],"wp:attachment":[{"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/media?parent=396341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/categories?post=396341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/hu\/wp-json\/wp\/v2\/tags?post=396341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}