{"id":9481,"date":"2022-05-18T19:47:30","date_gmt":"2022-05-18T16:47:30","guid":{"rendered":"https:\/\/masterchem.fi\/?post_type=product&#038;p=9481"},"modified":"2022-05-18T19:51:14","modified_gmt":"2022-05-18T16:51:14","slug":"nigrosin-cas-101357-16-8","status":"publish","type":"product","link":"https:\/\/masterchem.fi\/sv\/produkt\/nigrosin-cas-101357-16-8\/","title":{"rendered":"Nigrosin (CAS 101357-16-8)"},"content":{"rendered":"<p> <strong> Information <\/strong> <\/p>\n<p> Branscher: F\u00e4rger och lacker <br \/>\nCAS-nummer: 101357-16-8 <br \/>\nWE-nummer: 309-913-1 <\/p>\n<p> <strong> Andra fysiska egenskaper <\/strong> <\/p>\n<p> pH: 2,8 (10 g\/l) <br \/>\nSm\u00e4ltpunkt\/fryspunkt:> 400 \u00b0C (101325 Pa) <br \/>\nKokpunkt \/ kokpunkt: 831 \u00b0 C <br \/>\nRelativ densitet: 1291 kg \/ m3 (20 \u00b0 C) <br \/>\nVattenl\u00f6slighet: 8 g \/ l (ph = 4, 20 \u00b0 C) <\/p>\n","protected":false},"excerpt":{"rendered":"<p> <strong> Till Nigros (CAS 101357-16-8) <\/strong> <\/p>\n<p> F\u00e4rg\u00e4mnen \u00e4r nigrosin (CI 50415, l\u00f6sningsmedelssvart 5) en blandning av svarta syntetiska f\u00e4rg\u00e4mnen framst\u00e4llda genom upphettning av en blandning av nitrobensen, anilin och saltsyra i n\u00e4rvaro av koppar eller j\u00e4rn. I f\u00f6rh\u00e5llande till indindin \u00e4r det en blandning av fenazinbaserade f\u00f6reningar. Dess huvudsakliga industriella anv\u00e4ndningsomr\u00e5den \u00e4r som f\u00e4rg\u00e4mne i fernissor och lacker och i tuschpennor. Sulfonering av Nigrosin ger ett vattenl\u00f6sligt anjoniskt f\u00e4rg\u00e4mne, nigrosin WS (CI 50420, svartsyra 2). <\/p>\n<p> F\u00f6rutom dess huvudsakliga anv\u00e4ndning i lacker, anv\u00e4nds sm\u00e5 m\u00e4ngder nigrosin f\u00f6r att negativt f\u00e4rga bakterier. samt den kapselhaltiga svampen Cryptococcus neoformans. Organismernas form och storlek ses som f\u00e4rgl\u00f6sa konturer p\u00e5 en m\u00f6rk bakgrund. F\u00f6rdelen med att anv\u00e4nda denna metod ist\u00e4llet f\u00f6r de vanliga positiva fl\u00e4ckarna, s\u00e5som metylenbl\u00e5tt eller karbolfuchsin, \u00e4r att f\u00f6reg\u00e5ende fixering med v\u00e4rme eller alkohol inte \u00e4r n\u00f6dv\u00e4ndig, s\u00e5 att organismer kan ses i levande bilder. Dessutom kan negativ f\u00e4rgning med nigrosin avsl\u00f6ja vissa mikroorganismer som inte kan f\u00e4rgas med konventionella metoder. Nigrosin WS anv\u00e4nds i livsduglighetstester eftersom levande celler inte inneh\u00e5ller f\u00e4rg\u00e4mne, men det g\u00e5r in i d\u00f6da celler <\/p>\n","protected":false},"featured_media":9485,"template":"","meta":[],"product_brand":[],"product_cat":[116],"product_tag":[],"class_list":{"0":"post-9481","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-alla-produkter","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable","14":"has-default-attributes","15":"rtwpvg-product"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nigrosin (CAS 101357-16-8) - MasterChem | kemikaalien tuotanto ja myynti<\/title>\n<meta name=\"description\" content=\"F\u00e4rg\u00e4mnen \u00e4r nigrosin (CI 50415, l\u00f6sningsmedelsvart 5) en blandning av svarta syntetiska f\u00e4rg\u00e4mnen framst\u00e4llda genom upphettning av en blandning av nitrobensen, anilin och saltsyra i n\u00e4rvaro av koppar eller j\u00e4rn.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/masterchem.fi\/sv\/produkt\/nigrosin-cas-101357-16-8\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nigrosin (CAS 101357-16-8) - 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