{"id":342004,"date":"2020-11-02T15:10:00","date_gmt":"2020-11-02T14:10:00","guid":{"rendered":"https:\/\/hunterlab.de\/pristrojove-metody-mereni-nazloutlych-a-temer-bezbarvych-kapalin-2\/"},"modified":"2025-08-08T18:41:27","modified_gmt":"2025-08-08T17:41:27","slug":"pristrojove-metody-mereni-nazloutlych-a-temer-bezbarvych-kapalin","status":"publish","type":"post","link":"https:\/\/www.hunterlab.eu\/cs\/pristrojove-metody-mereni-nazloutlych-a-temer-bezbarvych-kapalin\/","title":{"rendered":"P\u0159\u00edstrojov\u00e9 metody m\u011b\u0159en\u00ed na\u017eloutl\u00fdch a t\u00e9m\u011b\u0159 bezbarv\u00fdch kapalin"},"content":{"rendered":"

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M\u011b\u0159en\u00ed barvy v\u00fdrobk\u016f z n\u00e1hra\u017eek masa<\/h2>\n

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M\u011b\u0159en\u00ed barvy v\u00fdrobk\u016f z n\u00e1hra\u017eek masa<\/h2>\n

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\u010c\u00edsla barev APHA, Gardner a Lovibond\u00ae<\/h2>\n

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Metoda vizu\u00e1ln\u00edho porovn\u00e1n\u00ed s fyzick\u00fdmi standardy m\u00e1 dv\u011b p\u0159irozen\u00e9 slabiny – jednou z nich je variabilita barevn\u00fdch standard\u016f v z\u00e1vislosti na vyd\u00e1n\u00ed nebo st\u00e1\u0159\u00ed, druhou je prom\u011bnlivost lidsk\u00e9ho pozorovatele. K vylou\u010den\u00ed t\u011bchto slab\u00fdch m\u00edst existuj\u00ed instrument\u00e1ln\u00ed metody m\u011b\u0159en\u00ed pro stanoven\u00ed barevn\u00e9ho \u010d\u00edsla. Jedn\u00e1 se o vzorky z chemick\u00e9ho a farmaceutick\u00e9ho pr\u016fmyslu, ale barevn\u00e9 standardy se pou\u017e\u00edvaj\u00ed tak\u00e9 v odv\u011btv\u00ed odpadn\u00edch vod a plast\u016f. <\/strong><\/p>\n

Typy vzork\u016f mohou b\u00fdt: Laky – Oleje – Roztoky – Suspenze – Tuky – Mastn\u00e9 kyseliny – Prysky\u0159ice – Sirupy – Vosky.<\/em><\/p>\n

Za t\u00edmto \u00fa\u010delem nap\u0159\u00edklad norma ASTM<\/strong> jasn\u011b definovala p\u0159i\u0159azen\u00ed vizu\u00e1ln\u00edch standard\u016f k hodnot\u00e1m barev m\u011b\u0159en\u00fdm na p\u0159\u00edstroji. V z\u00e1sad\u011b se v\u0161echna t\u0159i barevn\u00e1 \u010d\u00edsla m\u011b\u0159\u00ed v kyvet\u00e1ch nebo lahvi\u010dk\u00e1ch ISO v celkov\u00e9 transmisi (TTRAN)<\/strong>, proto\u017ee vzorky jsou pr\u016fhledn\u00e9 kapaliny. Polotuh\u00e9 l\u00e1tky, jako jsou vosky nebo vazel\u00edna, se analyzuj\u00ed v roztaven\u00e9m stavu. <\/p>\n

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Spr\u00e1vn\u00e9 za\u0159\u00edzen\u00ed<\/h4>\n

Kolorimetr Vista<\/a> je ide\u00e1ln\u00ed pro m\u011b\u0159en\u00ed uveden\u00fdch barevn\u00fdch \u010d\u00edsel. Jedn\u00e1 se o dvoupaprskov\u00fd spektrofotometr s difuzn\u00ed\/0\u00b0 m\u011b\u0159ic\u00ed geometri\u00ed<\/strong>, kter\u00fd lze pou\u017e\u00edt k m\u011b\u0159en\u00ed kapaln\u00fdch vzork\u016f (a v p\u0159\u00edpad\u011b pot\u0159eby i pr\u016fhledn\u00fdch pevn\u00fdch vzork\u016f) v transmisi s jednoduchou manipulac\u00ed. Toto za\u0159\u00edzen\u00ed lze pou\u017e\u00edt k anal\u00fdze vzork\u016f o v\u0161ech tlou\u0161\u0165k\u00e1ch vrstev od 10 mm do 50 mm<\/strong>. V\u00fdb\u011br \u010d\u00edsla barvy spolu se zkoumanou tlou\u0161\u0165kou vrstvy se ozna\u010duje jako index. Po m\u011b\u0159en\u00ed lze ode\u010d\u00edst hodnoty barvy vzorku a r\u016fzn\u00e9 barevn\u00e9 stupnice a indexy, zejm\u00e9na indexy APHA, Gardner a Lovibond\u00ae<\/strong>.<\/p>\n

V\u00fdb\u011br kyvety<\/h4>\n

V z\u00e1vislosti na po\u010dtu barev jsou k dispozici r\u016fzn\u00e9 indexy pro kyvety, lahvi\u010dky ISO, mikrokuvety a ultramikrokvety s d\u00e9lkou pr\u016fchodu od 10 mm do 50 mm. To znamen\u00e1, \u017ee vzorky lze spolehliv\u011b m\u011b\u0159it v r\u016fzn\u00fdch jednoduch\u00fdch nebo dokonce kyselinovzdorn\u00fdch \u010di teplotn\u011b odoln\u00fdch plastov\u00fdch nebo sklen\u011bn\u00fdch kyvet\u00e1ch s p\u0159\u00edslu\u0161n\u00fdmi dr\u017e\u00e1ky kyvet. Syst\u00e9m Vista nab\u00edz\u00ed speci\u00e1ln\u00ed mo\u017enost v\u00fdpo\u010dtu v\u00fdstupn\u00ed hodnoty pro jinou ne\u017e m\u011b\u0159enou tlou\u0161\u0165ku n\u00e1t\u011bru, aby bylo mo\u017en\u00e9 z\u00edskat hodnoty v souladu s normami ASTM, DIN a ISO<\/strong>. \u010casto tak odpad\u00e1 nutnost n\u00e1kupu drah\u00fdch speci\u00e1ln\u00edch kyvet. <\/p>\n

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\"HunterLab\"<\/p>\n

Praktick\u00fd p\u0159\u00edklad metody m\u011b\u0159en\u00ed barevn\u00e9ho \u010d\u00edsla Lovibond\u00ae<\/h3>\n

V na\u0161em aktu\u00e1ln\u00edm \u010dasopise HunterLab NEWS se do\u010dtete, jak m\u011b\u0159\u00edme barevn\u00e1 \u010d\u00edsla pomoc\u00ed transmisn\u00edho kolorimetru Vista, na co si d\u00e1t pozor p\u0159i manipulaci se vzorky a jak\u00e9 alternativy jsou k dispozici. \u010casopis obsahuje tak\u00e9 dal\u0161\u00ed zaj\u00edmav\u00e9 \u010dl\u00e1nky na t\u00e9ma m\u011b\u0159en\u00ed barev kapalin a pevn\u00fdch l\u00e1tek. <\/p>\n

Vypl\u0148te dv\u011b pole n\u00ed\u017ee a my v\u00e1m za\u0161leme \u010dasopis ve form\u00e1tu PDF!<\/em><\/span><\/p>\n

[\/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_row _builder_version=“4.16″ background_size=“initial“ background_position=“top_left“ background_repeat=“repeat“ locked=“off“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.16″ custom_padding=“|||“ global_colors_info=“{}“ custom_padding__hover=“|||“][et_pb_text content_tablet=“<\/p>\n

M\u011b\u0159en\u00ed barvy v\u00fdrobk\u016f z n\u00e1hra\u017eek masa<\/h2>\n

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M\u011b\u0159en\u00ed barvy v\u00fdrobk\u016f z n\u00e1hra\u017eek masa<\/h2>\n

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Z\u00e1v\u011br<\/h3>\n

Kapaliny od t\u00e9m\u011b\u0159 bezbarv\u00fdch a\u017e po na\u017eloutl\u00e9, \u017elutozelen\u00e9 nebo na\u010dervenal\u00e9, jejich klasifikace a reprodukce je jednoduch\u00e1 a v souladu se standardem HunterLab Vista.<\/a> <\/p>\n

 <\/p>\n

Chcete v\u011bd\u011bt, jak m\u016f\u017eeme ur\u010dit hodnoty barev va\u0161eho vzorku?<\/strong> Kontaktujte<\/a> n\u00e1s, na\u0161i odborn\u00edci na kolorimetrii<\/a> se na v\u00e1s t\u011b\u0161\u00ed.<\/p>\n<\/blockquote>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Metoda vizu\u00e1ln\u00edho porovn\u00e1n\u00ed s fyzick\u00fdmi standardy m\u00e1 dv\u011b p\u0159irozen\u00e9 slabiny – jednou z nich je variabilita barevn\u00fdch standard\u016f v z\u00e1vislosti na vyd\u00e1n\u00ed nebo st\u00e1\u0159\u00ed, druhou je prom\u011bnlivost lidsk\u00e9ho pozorovatele. K vylou\u010den\u00ed t\u011bchto slab\u00fdch m\u00edst existuj\u00ed instrument\u00e1ln\u00ed metody m\u011b\u0159en\u00ed pro stanoven\u00ed barevn\u00e9ho \u010d\u00edsla. Jedn\u00e1 se o vzorky z chemick\u00e9ho a farmaceutick\u00e9ho pr\u016fmyslu, ale barevn\u00e9 standardy se pou\u017e\u00edvaj\u00ed tak\u00e9 v odv\u011btv\u00ed odpadn\u00edch vod a plast\u016f. <\/p>\n","protected":false},"author":2,"featured_media":287269,"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":[807],"tags":[1294,886],"class_list":["post-342004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kolorimetrie","tag-bezbarve-kapaliny","tag-mereni-barev"],"_links":{"self":[{"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/posts\/342004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/comments?post=342004"}],"version-history":[{"count":0,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/posts\/342004\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/media\/287269"}],"wp:attachment":[{"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/media?parent=342004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/categories?post=342004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/cs\/wp-json\/wp\/v2\/tags?post=342004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}