{"id":25661,"date":"2025-02-14T09:24:22","date_gmt":"2025-02-14T08:24:22","guid":{"rendered":"https:\/\/www.certifiedcosmetics.com\/product\/nezarazene\/analyticky-certifikat-coa\/"},"modified":"2025-02-14T09:24:22","modified_gmt":"2025-02-14T08:24:22","slug":"analyticky-certifikat-coa","status":"publish","type":"product","link":"https:\/\/www.certifiedcosmetics.com\/cs\/product\/laborator\/analyticky-certifikat-coa\/","title":{"rendered":"Analytick\u00fd certifik\u00e1t \u2013 CoA"},"content":{"rendered":"

Fyzik\u00e1ln\u011b-chemick\u00e9 parametry v\u00fdrobku, jako jsou pH, viskozita, hustota a barva<\/strong>, hraj\u00ed d\u016fle\u017eitou roli p\u0159i posuzov\u00e1n\u00ed bezpe\u010dnosti v\u00fdrobku.K z\u00edsk\u00e1n\u00ed podrobn\u00e9 zpr\u00e1vy o specifikaci produktu pro \u00fa\u010dely posouzen\u00ed bezpe\u010dnosti jsou nutn\u00e9 r\u016fzn\u00e9 fyzik\u00e1ln\u011b-chemick\u00e9 laboratorn\u00ed zkou\u0161ky. Tyto zkou\u0161ky poskytuj\u00ed informace o vlastnostech produktu a slou\u017e\u00ed k posouzen\u00ed jeho stability, bezpe\u010dnosti a vhodnosti. Anal\u00fdzy pro zpr\u00e1vu o specifikaci produktu, v\u010detn\u011b po\u017eadovan\u00fdch velikost\u00ed vzork\u016f, jsou: <\/p>\n

1. M\u011b\u0159en\u00ed pH<\/strong><\/h3>\n

\u00da\u010del zkou\u0161ky:<\/strong>Hodnota pH p\u0159\u00edpravku ud\u00e1v\u00e1, zda je dan\u00e1 formulace kysel\u00e1, neutr\u00e1ln\u00ed nebo z\u00e1sadit\u00e1. Jedn\u00e1 se o z\u00e1sadn\u00ed parametr, zejm\u00e9na u kosmetick\u00fdch a farmaceutick\u00fdch v\u00fdrobk\u016f, proto\u017ee ovliv\u0148uje sn\u00e1\u0161enlivost poko\u017eky a stabilitu p\u0159\u00edpravku. P\u0159\u00edli\u0161 vysok\u00e1 nebo p\u0159\u00edli\u0161 n\u00edzk\u00e1 hodnota pH m\u016f\u017ee zp\u016fsobit podr\u00e1\u017ed\u011bn\u00ed poko\u017eky nebo ovlivnit \u00fa\u010dinnost aktivn\u00edch slo\u017eek. Zku\u0161ebn\u00ed metoda:<\/strong>Hodnota pH se m\u011b\u0159\u00ed pomoc\u00ed kalibrovan\u00e9ho pHmetru, p\u0159i\u010dem\u017e se vzorek rozpust\u00ed ve vhodn\u00e9m roztoku nebo v p\u0159\u00edpad\u011b pot\u0159eby z\u0159ed\u00ed. Zkou\u0161ka se prov\u00e1d\u00ed podle standardizovan\u00fdch metod, jako je norma ISO 4316 (pro vodn\u00e9 roztoky) nebo ISO 787-9 (pro suspenze a emulze). Pro\u010d je to d\u016fle\u017eit\u00e9?<\/strong><\/p>\n

    \n
  • Hodnota pH ur\u010duje kyselost nebo z\u00e1saditost p\u0159\u00edpravku a ovliv\u0148uje sn\u00e1\u0161enlivost poko\u017eky.<\/li>\n
  • Nespr\u00e1vn\u00e1 hodnota pH m\u016f\u017ee v\u00e9st k podr\u00e1\u017ed\u011bn\u00ed poko\u017eky, alergick\u00fdm reakc\u00edm nebo naru\u0161en\u00ed ko\u017en\u00ed bari\u00e9ry.<\/li>\n
  • P\u0159\u00edpravky na obli\u010dej a citliv\u00e9 partie by m\u011bly m\u00edt hodnotu pH \u0161etrnou k poko\u017ece (obvykle mezi 4,5 a 7,0).<\/li>\n
  • Extr\u00e9mn\u00ed hodnoty pH (nap\u0159. ni\u017e\u0161\u00ed ne\u017e 3,5 nebo vy\u0161\u0161\u00ed ne\u017e 8,5) mohou vy\u017eadovat dal\u0161\u00ed toxikologick\u00e9 testy.<\/li>\n<\/ul>\n

    V\u00fdznam pro CPSR:<\/strong>Odborn\u00edk na bezpe\u010dnost ov\u011b\u0159uje, zda je hodnota pH vhodn\u00e1 pro zam\u00fd\u0161len\u00e9 pou\u017eit\u00ed (nap\u0159. p\u00e9\u010de o obli\u010dej, p\u00e9\u010de o t\u011blo nebo o\u010dn\u00ed p\u0159\u00edpravky), a porovn\u00e1v\u00e1 ji s v\u011bdeck\u00fdmi \u00fadaji o sn\u00e1\u0161enlivosti poko\u017ekou.Po\u017eadovan\u00e9 mno\u017estv\u00ed vzorku:<\/strong>25 g\/ml<\/p>\n

    2. Zkou\u0161ka viskozity<\/strong><\/h3>\n

    \u00da\u010del zkou\u0161ky:<\/strong>Viskozita produktu ur\u010duje, jak hust\u011b \u010di \u0159\u00eddce te\u010de. Je kl\u00ed\u010dov\u00e1 pro emulze, gely, kr\u00e9my a tekut\u00e9 produkty, proto\u017ee ovliv\u0148uje jejich aplikaci, u\u017eivatelsk\u00fd komfort a stabilitu. P\u0159\u00edli\u0161 vysok\u00e1 viskozita m\u016f\u017ee sn\u00ed\u017eit rozt\u00edratelnost, zat\u00edmco p\u0159\u00edli\u0161 n\u00edzk\u00e1 viskozita m\u016f\u017ee v\u00e9st k ne\u017e\u00e1douc\u00edmu st\u00e9k\u00e1n\u00ed. Zku\u0161ebn\u00ed metoda:<\/strong>Viskozita se m\u011b\u0159\u00ed pomoc\u00ed viskozimetru, nap\u0159\u00edklad rota\u010dn\u00edho viskozimetru (nap\u0159. viskozimetr Brookfield) nebo kapil\u00e1rn\u00edho viskozimetru, v z\u00e1vislosti na povaze produktu. M\u011b\u0159en\u00ed se prov\u00e1d\u00ed p\u0159i standardizovan\u00e9 teplot\u011b, aby se minimalizovala variabilita v\u00fdsledk\u016f. Pro\u010d je to d\u016fle\u017eit\u00e9?<\/strong><\/p>\n

      \n
    • Viskozita ur\u010duje zp\u016fsob pou\u017eit\u00ed a bezpe\u010dnost v\u00fdrobku.<\/li>\n
    • P\u0159\u00edli\u0161 n\u00edzk\u00e1 viskozita m\u016f\u017ee v\u00e9st k nekontrolovan\u00e9mu nan\u00e1\u0161en\u00ed, nap\u0159\u00edklad u o\u010dn\u00edch kr\u00e9m\u016f nebo ple\u0165ov\u00fdch vod, \u010d\u00edm\u017e se zvy\u0161uje riziko podr\u00e1\u017ed\u011bn\u00ed.<\/li>\n
    • P\u0159\u00edli\u0161 vysok\u00e1 viskozita m\u016f\u017ee ovlivnit uvol\u0148ov\u00e1n\u00ed \u00fa\u010dinn\u00fdch l\u00e1tek, \u010d\u00edm\u017e se sn\u00ed\u017e\u00ed \u00fa\u010dinnost p\u0159\u00edpravku.<\/li>\n
    • N\u011bkter\u00e9 p\u0159\u00edpravky vy\u017eaduj\u00ed ur\u010ditou viskozitu, aby byla zaji\u0161t\u011bna jejich stabilita a \u00fa\u010dinnost.<\/li>\n<\/ul>\n

      V\u00fdznam pro CPSR:<\/strong>Odborn\u00edk na bezpe\u010dnost posuzuje, zda je viskozita vhodn\u00e1 pro danou kategorii v\u00fdrobku a zda p\u0159i b\u011b\u017en\u00e9m pou\u017e\u00edv\u00e1n\u00ed nehroz\u00ed n\u011bjak\u00e1 rizika.Po\u017eadovan\u00e9 mno\u017estv\u00ed vzorku:<\/strong>100 g\/ml<\/p>\n

      3. M\u011b\u0159en\u00ed hustoty<\/strong><\/h3>\n

      \u00da\u010del zkou\u0161ky:<\/strong>Hustota v\u00fdrobku je definov\u00e1na jako hmotnost na jednotku objemu a p\u0159edstavuje d\u016fle\u017eit\u00fd parametr pro kontrolu kvality a v\u00fdpo\u010det d\u00e1vkov\u00e1n\u00ed. Ovliv\u0148uje volbu obalu a rozlo\u017een\u00ed v\u00fdrobku v lahvi\u010dce \u010di tub\u011b. Zkou\u0161ka hustoty je zvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1 u kapaln\u00fdch a polotekut\u00fdch p\u0159\u00edpravk\u016f. Zku\u0161ebn\u00ed metoda:<\/strong>Hustota se stanovuje v\u00e1\u017een\u00edm vzorku o zn\u00e1m\u00e9m objemu p\u0159i kontrolovan\u00e9 teplot\u011b. To se \u010dasto prov\u00e1d\u00ed pomoc\u00ed pyknometru nebo digit\u00e1ln\u00edho denzitometru podle standardizovan\u00fdch metod, jako je nap\u0159\u00edklad norma ISO 2811-1. Pro\u010d je to d\u016fle\u017eit\u00e9?<\/strong><\/p>\n

        \n
      • Hustota pom\u00e1h\u00e1 ur\u010dit d\u00e1vku na jedno pou\u017eit\u00ed, co\u017e je d\u016fle\u017eit\u00e9 pro v\u00fdpo\u010det expozice.<\/li>\n
      • P\u0159isp\u00edv\u00e1 k posouzen\u00ed stability v\u00fdrobk\u016f. Zm\u011bny hustoty mohou nazna\u010dovat f\u00e1zovou separaci nebo odd\u011blov\u00e1n\u00ed slo\u017eek. <\/li>\n
      • Ovliv\u0148uje volbu obal\u016f a m\u016f\u017ee hr\u00e1t roli p\u0159i posuzov\u00e1n\u00ed rizik spojen\u00fdch s vdechov\u00e1n\u00edm jemn\u00fdch rozpra\u0161k\u016f nebo aerosol\u016f.<\/li>\n<\/ul>\n

        V\u00fdznam pro CPSR:<\/strong>Odborn\u00edk na bezpe\u010dnost pou\u017e\u00edv\u00e1 hodnotu hustoty p\u0159i v\u00fdpo\u010dtech expozice k ur\u010den\u00ed, jak\u00e9 mno\u017estv\u00ed produktu se dostane na k\u016f\u017ei nebo do d\u00fdchac\u00edch cest a zda toto mno\u017estv\u00ed z\u016fst\u00e1v\u00e1 v bezpe\u010dn\u00fdch mez\u00edch.Po\u017eadovan\u00e9 mno\u017estv\u00ed vzorku:<\/strong>100 g\/ml<\/p>\n

        4. Anal\u00fdza barev<\/strong><\/h3>\n

        \u00da\u010del zkou\u0161ky:<\/strong>Barva v\u00fdrobku je kl\u00ed\u010dov\u00fdm parametrem z hlediska estetiky a jednotnosti zna\u010dky. Anal\u00fdzy barvy se prov\u00e1d\u011bj\u00ed za \u00fa\u010delem stanoven\u00ed p\u0159esn\u00e9ho odst\u00ednu, sytosti a rovnom\u011brnosti v\u00fdrobku, aby byla zaji\u0161t\u011bna jednotnost \u0161ar\u017ee. Odchylky v barv\u011b mohou nazna\u010dovat nestabilitu nebo probl\u00e9my s kvalitou. Zku\u0161ebn\u00ed metoda:<\/strong>Barva se analyzuje pomoc\u00ed spektrofotometru nebo kolorimetru, kter\u00fd m\u011b\u0159\u00ed odraz nebo propustnost sv\u011btla vzorkem. V\u00fdsledky lze porovnat se standardn\u00ed referenc\u00ed, aby byla zaji\u0161t\u011bna konzistence. Pro\u010d je to d\u016fle\u017eit\u00e9?<\/strong><\/p>\n

          \n
        • Srovnatelnost barvy je ukazatelem stability v\u00fdrobku. Zm\u011bna barvy m\u016f\u017ee nazna\u010dovat oxidaci nebo rozklad slo\u017eek. <\/li>\n
        • Je to d\u016fle\u017eit\u00e9 pro posuzov\u00e1n\u00ed pigment\u016f a barviv, na kter\u00e9 se vztahuj\u00ed specifick\u00e9 p\u0159edpisy (nap\u0159. schv\u00e1len\u00e1 \u010d\u00edsla CI uveden\u00e1 v p\u0159\u00edloze IV na\u0159\u00edzen\u00ed ES \u010d. 1223\/2009).<\/li>\n
        • Ne\u017e\u00e1douc\u00ed zm\u011bny barvy mohou nazna\u010dovat r\u016fst mikroorganism\u016f nebo chemickou degradaci.<\/li>\n<\/ul>\n

          V\u00fdznam pro CPSR:<\/strong>Odborn\u00edk na bezpe\u010dnost ov\u011b\u0159uje, zda jsou pou\u017eit\u00e9 barviva bezpe\u010dn\u00e1 a povolen\u00e1 a zda b\u011bhem skladov\u00e1n\u00ed v\u00fdrobku nedoch\u00e1z\u00ed k \u017e\u00e1dn\u00fdm neo\u010dek\u00e1van\u00fdm reakc\u00edm, kter\u00e9 by mohly ohrozit bezpe\u010dnost v\u00fdrobku.Po\u017eadovan\u00e9 mno\u017estv\u00ed vzorku:<\/strong>50 g\/ml<\/p>\n","protected":false},"excerpt":{"rendered":"

          Fyzik\u00e1ln\u011b-chemick\u00e9 parametry v\u00fdrobku, jako jsou pH, viskozita, hustota a barva, hraj\u00ed d\u016fle\u017eitou roli p\u0159i posuzov\u00e1n\u00ed bezpe\u010dnosti v\u00fdrobku.K z\u00edsk\u00e1n\u00ed podrobn\u00e9 zpr\u00e1vy o specifikaci produktu pro \u00fa\u010dely posouzen\u00ed bezpe\u010dnosti jsou nutn\u00e9 r\u016fzn\u00e9 fyzik\u00e1ln\u011b-chemick\u00e9 laboratorn\u00ed zkou\u0161ky. Tyto zkou\u0161ky poskytuj\u00ed informace o vlastnostech produktu a slou\u017e\u00ed k posouzen\u00ed jeho stability, bezpe\u010dnosti a vhodnosti. Anal\u00fdzy pro zpr\u00e1vu o specifikaci produktu,…<\/p>\n","protected":false},"featured_media":25663,"template":"","meta":[],"product_brand":[],"product_cat":[2331,2329,2333],"product_tag":[],"class_list":["post-25661","product","type-product","status-publish","has-post-thumbnail","product_cat-bezne-testy","product_cat-laborator","product_cat-overovani-tvrzeni-a-testovani-slozek","first","instock","virtual","taxable","purchasable","product-type-simple"],"bundled_by":["27633","28249","28845"],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"exclude_global_add_ons":[],"addons":[],"yoast_head":"\nAnalytick\u00fd certifik\u00e1t \u2013 CoA - Certified Cosmetics<\/title>\n<meta name=\"description\" content=\"Fyzik\u00e1ln\u011b-chemick\u00e9 parametry v\u00fdrobku, jako je pH, viskozita, hustota a barva, hraj\u00ed d\u016fle\u017eitou roli p\u0159i posuzov\u00e1n\u00ed bezpe\u010dnosti v\u00fdrobku.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.certifiedcosmetics.com\/cs\/product\/laborator\/analyticky-certifikat-coa\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analytick\u00fd certifik\u00e1t \u2013 CoA\" \/>\n<meta property=\"og:description\" content=\"Fyzik\u00e1ln\u011b-chemick\u00e9 parametry v\u00fdrobku, jako je pH, viskozita, hustota a barva, hraj\u00ed d\u016fle\u017eitou roli p\u0159i posuzov\u00e1n\u00ed bezpe\u010dnosti v\u00fdrobku.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.certifiedcosmetics.com\/cs\/product\/laborator\/analyticky-certifikat-coa\/\" \/>\n<meta property=\"og:site_name\" content=\"Certified Cosmetics\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2025\/02\/spec_lab_test.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Cena\" \/>\n\t<meta name=\"twitter:data1\" content=\"$90.92\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dostupnost\" \/>\n\t<meta name=\"twitter:data2\" content=\"Skladem\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/product\\\/laborator\\\/analyticky-certifikat-coa\\\/\",\"url\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/product\\\/laborator\\\/analyticky-certifikat-coa\\\/\",\"name\":\"Analytick\u00fd certifik\u00e1t \u2013 CoA - 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