{"id":596843,"date":"2024-11-05T21:49:30","date_gmt":"2024-11-05T21:49:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-16181976\/"},"modified":"2024-11-05T21:49:30","modified_gmt":"2024-11-05T21:49:30","slug":"iso-16181976","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-16181976\/","title":{"rendered":"ISO 1618:1976"},"content":{"rendered":"<p>The method is applicable to products having vanadium contents between 0,0003 % (m\/m) and 0,016 % (m\/m), provided that the content of chromic oxide and titanic oxide does not exceed 0,002 % (m\/m) and 0,006 % (m\/m), respectively. The principle consists in a previous oxidation of the vanadium contained in the test sample to vanadium(V) by patassium permanganate in sulphuric acid solution. Formation of the vanadium-N-benzoyl-N-phenylhydroxylamine complex. Extraction of the violet coloured complex with chloroform in hydrochloric acid*solution. Photometric measurement of the coloured complex at a wavelength of about 524 nm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Aluminium oxide primarily used for the production of aluminium \u2014 Determination of vanadium content \u2014 N-Benzoyl-N-phenylhydroxylamine photometric method<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>1976-09<\/td>\n<td>6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":596854,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1026,2634],"product_tag":[],"class_list":{"0":"post-596843","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-100-10","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/596843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/596854"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=596843"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=596843"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=596843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}