{"id":68306,"date":"2022-02-21T11:08:33","date_gmt":"2022-02-21T03:08:33","guid":{"rendered":"https:\/\/qvarz.com\/korrekt-pleje-og-haandtering-af-uv-vis-absorptionsmaalingsceller\/"},"modified":"2022-02-21T11:11:02","modified_gmt":"2022-02-21T03:11:02","slug":"korrekt-pleje-og-haandtering-af-uv-vis-absorptionsmaalingsceller","status":"publish","type":"post","link":"https:\/\/qvarz.com\/da\/korrekt-pleje-og-haandtering-af-uv-vis-absorptionsmaalingsceller\/","title":{"rendered":"Korrekt pleje og h\u00e5ndtering af UV-VIS absorptionsm\u00e5lingsceller"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">UV \u2013 VIS absorptionsm\u00e5leceller eller kuvetter, som de almindeligvis kaldes, er rektangul\u00e6re glas- eller kvartsceller, som bruges til at holde pr\u00f8ven og referenceopl\u00f8sningerne i str\u00e5levejen til at foretage absorbansm\u00e5linger. Disse er sarte genstande, som kr\u00e6ver ekstrem forsigtighed ved h\u00e5ndtering for at undg\u00e5 brud og samtidig sikre n\u00f8jagtighed af absorbansm\u00e5linger.<\/p>\n\n<p class=\"wp-block-paragraph\">Cellerne skal v\u00e6re gennemsigtige for de b\u00f8lgel\u00e6ngder, der er isoleret af monokromatoren. Glas er kun gennemsigtigt for synlige b\u00f8lgel\u00e6ngder og er ikke egnet i UV-omr\u00e5det, fordi det begynder at absorbere under 320 nm. Fusede kvartsceller er transparente ned til 190 nm, s\u00e5 de kan bruges b\u00e5de til UV- og synlige omr\u00e5der.<\/p>\n\n<h4 class=\"wp-block-heading\">Celletyper<\/h4>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Open-rektangular-top.png\"><img decoding=\"async\" width=\"131\" height=\"211\" src=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Open-rectangular-top.png\" alt=\"\" class=\"wp-image-67753\" title=\"\" srcset=\"https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Open-rectangular-top.png 131w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Open-rectangular-top-34x54.png 34w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Open-rectangular-top-64x103.png 64w\" sizes=\"(max-width: 131px) 100vw, 131px\" \/><\/a><figcaption><a href=\"https:\/\/qvarz.com\/product-category\/products\/cuvettes-flow-cells\/open-top-cuvettes\/\">\u00c5bn \u00f8verste celler<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Aperture-cell.png\"><img decoding=\"async\" width=\"121\" height=\"211\" src=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Aperture-cell.png\" alt=\"\" class=\"wp-image-67767\" title=\"\" srcset=\"https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Aperture-cell.png 121w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Aperture-cell-31x54.png 31w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Aperture-cell-64x112.png 64w\" sizes=\"(max-width: 121px) 100vw, 121px\" \/><\/a><figcaption><a href=\"https:\/\/qvarz.com\/product-category\/products\/cuvettes-flow-cells\/narrow-width-cuvettes\/\">Aperture celler<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Micro-cell.png\"><img decoding=\"async\" width=\"131\" height=\"191\" src=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Micro-cell.png\" alt=\"\" class=\"wp-image-67781\" title=\"\" srcset=\"https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Micro-cell.png 131w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Micro-cell-37x54.png 37w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Micro-cell-64x93.png 64w\" sizes=\"(max-width: 131px) 100vw, 131px\" \/><\/a><figcaption><a href=\"https:\/\/qvarz.com\/product-category\/products\/cuvettes-flow-cells\/micro-cuvettes-3-5ml\/\">Mikroceller<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Flow-through-cell.png\"><img loading=\"lazy\" decoding=\"async\" width=\"131\" height=\"221\" src=\"\/\/i0.wp.com\/qvarz.com\/wp-content\/uploads\/2022\/02\/Flow-through-cell.png\" alt=\"\" class=\"wp-image-67795\" title=\"\" srcset=\"https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Flow-through-cell.png 131w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Flow-through-cell-32x54.png 32w, https:\/\/qvarz.com\/wp-content\/uploads\/2022\/02\/Flow-through-cell-64x108.png 64w\" sizes=\"(max-width: 131px) 100vw, 131px\" \/><\/a><figcaption><a href=\"https:\/\/qvarz.com\/flow-cells-list\/\">Flow gennem celler<\/a><\/figcaption><\/figure><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Den almindeligt anvendte cellebanel\u00e6ngde er 10 mm. I tilf\u00e6lde af at m\u00e6ngden af pr\u00f8ve er begr\u00e6nset, beh\u00f8ver du ikke at lede efter celler med kort vejl\u00e6ngde, men i stedet kan du bruge bl\u00e6ndeceller eller mikrovolumenceller med volumener i \u03bcl-niveauer, men med samme cellevejl\u00e6ngde. Dele af \u00e5bningsceller, der ikke indeholder pr\u00f8ve, er maskeret for at undg\u00e5 u\u00f8nskede transmissioner og refleksioner gennem sidev\u00e6ggene, som kan bidrage til str\u00f8lys.<\/p>\n\n<p class=\"wp-block-paragraph\">Til automatiseret analyse eller onlinem\u00e5linger kan du overveje at bruge flowceller, som giver absorbansstatus i realtid.<\/p>\n\n<p class=\"wp-block-paragraph\">I dobbeltstr\u00e5lesystemer sikres resultaternes n\u00f8jagtighed ved at bruge matchede par af celler med gennemsigtige overflader, der matcher hinanden optisk. Samme celle i det matchede par b\u00f8r bruges hver gang til at holde pr\u00f8ve eller blank for at undg\u00e5 enhver optisk mismatch.<\/p>\n\n<h4 class=\"wp-block-heading\">Omhu ved h\u00e5ndtering og brug<\/h4>\n\n<p class=\"wp-block-paragraph\">Absorptionsm\u00e5lingsceller kr\u00e6ver omhu ved h\u00e5ndtering og brug for at \u00f8ge deres p\u00e5lidelighed til brug. Nogle nyttige tips pr\u00e6senteres her:<\/p>\n\n<ul class=\"wp-block-list\"><li>Hold kun cellerne p\u00e5 tv\u00e6rs af de uigennemsigtige v\u00e6gge til l\u00f8ft<\/li><li>R\u00f8r aldrig ved de optiske overflader med dine h\u00e6nder og l\u00f8ft heller aldrig celler med pincet, da dette kan beskadige overfladen eller endda kn\u00e6kke cellen<\/li><li>Der m\u00e5 kun bruges milde reng\u00f8ringsmidler til reng\u00f8ring. Om n\u00f8dvendigt kan fortyndet salpetersyre eller saltsyre anvendes, men det er n\u00f8dvendigt at skylle med rent vand efterfulgt af skylning med acetone eller et andet passende opl\u00f8sningsmiddel<\/li><li>Brug af b\u00f8rster b\u00f8r undg\u00e5s. Hvis det er absolut n\u00f8dvendigt, b\u00f8r der kun anvendes meget bl\u00f8de b\u00f8rster<\/li><li>F\u00f8r indf\u00f8ring i pr\u00f8verummet, t\u00f8rres den udvendige overflade forsigtigt af med fnugfrit silkepapir<\/li><li>Efter brug skal du altid sikre dig, at cellen er ordentligt rengjort og t\u00f8rret f\u00f8r opbevaring, ellers vil fordampningspletter \u00e6ndre den optiske overfladeabsorptionsegenskaber.<\/li><\/ul>\n<p class=\"wp-block-paragraph\">Hvis du f\u00f8lger de angivne tips, vil du f\u00e5 p\u00e5lidelig service fra kuvettem\u00e5lingen efter m\u00e5ling i \u00e5revis sammen.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/lab-training.com\/proper-care-handling-uv-vis-absorption-measurement-cells\/\" target=\"_blank\" rel=\"noopener\">Kilde<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UV \u2013 VIS absorptionsm\u00e5leceller eller kuvetter, som de almindeligvis kaldes, er rektangul\u00e6re glas- eller kvartsceller, som bruges til at holde pr\u00f8ven og referenceopl\u00f8sningerne i str\u00e5levejen til at foretage absorbansm\u00e5linger. Disse er sarte genstande, som kr\u00e6ver ekstrem forsigtighed ved h\u00e5ndtering for at undg\u00e5 brud og samtidig sikre n\u00f8jagtighed af absorbansm\u00e5linger. Cellerne skal v\u00e6re gennemsigtige for de<\/p>\n<div class=\"klb-readmore entry-button\"><a class=\"button\" href=\"https:\/\/qvarz.com\/da\/korrekt-pleje-og-haandtering-af-uv-vis-absorptionsmaalingsceller\/\">Read More<\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","ub_ctt_via":"","footnotes":""},"categories":[810,805],"tags":[],"class_list":["post-68306","post","type-post","status-publish","format-standard","hentry","category-alle-indlaeg","category-kuvetter-og-celler"],"featured_image_src":null,"author_info":{"display_name":"admin","author_link":"https:\/\/qvarz.com\/da\/author\/admin\/"},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"bacola-woo-product":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"variation_swatches_image_size":false,"variation_swatches_tooltip_size":false,"dgwt-wcas-product-suggestion":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/qvarz.com\/da\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"UV \u2013 VIS absorptionsm\u00e5leceller eller kuvetter, som de almindeligvis kaldes, er rektangul\u00e6re glas- eller kvartsceller, som bruges til at holde pr\u00f8ven og referenceopl\u00f8sningerne i str\u00e5levejen til at foretage absorbansm\u00e5linger. Disse er sarte genstande, som kr\u00e6ver ekstrem forsigtighed ved h\u00e5ndtering for at undg\u00e5 brud og samtidig sikre n\u00f8jagtighed af absorbansm\u00e5linger. Cellerne skal v\u00e6re gennemsigtige for deRead&hellip;","_links":{"self":[{"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/posts\/68306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/comments?post=68306"}],"version-history":[{"count":1,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/posts\/68306\/revisions"}],"predecessor-version":[{"id":68312,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/posts\/68306\/revisions\/68312"}],"wp:attachment":[{"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/media?parent=68306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/categories?post=68306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qvarz.com\/da\/wp-json\/wp\/v2\/tags?post=68306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}