{"id":600376,"date":"2024-11-05T22:05:33","date_gmt":"2024-11-05T22:05:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-18218-12015\/"},"modified":"2024-11-05T22:05:33","modified_gmt":"2024-11-05T22:05:33","slug":"iso-18218-12015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-18218-12015\/","title":{"rendered":"ISO 18218-1:2015"},"content":{"rendered":"<p>ISO 18218-1:2015 sp\u00e9cifie une m\u00e9thode de d\u00e9termination des alkylph\u00e9nols \u00e9thoxyl\u00e9s (\u00e9thoxylate de nonylph\u00e9nol [NPEOn, o\u00f9 1 = n = 16] et \u00e9thoxylate d&#039;octylph\u00e9nol [OPEOn, o\u00f9 1 = n = 16]) dans le cuir. Cette m\u00e9thode d&#039;analyse directe convient particuli\u00e8rement lorsque les alkylph\u00e9nols \u00e9thoxyl\u00e9s doivent \u00eatre dos\u00e9s sur un grand nombre d&#039;\u00e9chantillons de cuir.<\/p>\n<p>L&#039;analyse est effectu\u00e9e par chromatographie en phase liquide \u00e0 haute performance (CLHP) coupl\u00e9e \u00e0 la spectrom\u00e9trie de masse en tandem avec un analyseur \u00e0 triple quadrip\u00f4le, afin d&#039;identifier et de quantifier les alkylph\u00e9nols \u00e9thoxyl\u00e9s.<\/p>\n<p>NOTE 1       Parmi les alkylph\u00e9nols \u00e9thoxyl\u00e9s disponibles dans le commerce, celui qui est le plus utilis\u00e9 dans l&#039;industrie du cuir est l&#039;\u00e9thoxylate de nonylph\u00e9nol contenant en moyenne 9 groupes \u00e9thoxy. La temp\u00e9rature de trouble dans l&#039;eau de cette substance est optimale compte tenu des temp\u00e9ratures g\u00e9n\u00e9ralement utilis\u00e9es pour le traitement du cuir, qui sont comprises entre 40 \u00b0C et 55 \u00b0C.<\/p>\n<p>NOTE 2       L&#039;ISO 18218-1 et l&#039;ISO 18218-2 impliquent l&#039;utilisation de solvants diff\u00e9rents pour l&#039;extraction des alkylph\u00e9nols \u00e9thoxyl\u00e9s du cuir. Par cons\u00e9quent, on peut s&#039;attendre \u00e0 ce que les r\u00e9sultats obtenus en suivant l&#039;une des deux m\u00e9thodes analytiques soient comparables \u00e0 ceux obtenus en suivant la seconde m\u00e9thode, mais non n\u00e9cessairement identiques, pour ce qui concerne la teneur en alkylph\u00e9nols \u00e9thoxyl\u00e9s dans le cuir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Cuir \u2014 D\u00e9termination des alkylph\u00e9nols \u00e9thoxyl\u00e9s \u2014 Partie 1: M\u00e9thode directe<\/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>2015-06<\/td>\n<td>14<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":600390,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[904,2634],"product_tag":[],"class_list":{"0":"post-600376","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-59-140-30","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\/600376","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\/600390"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=600376"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=600376"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=600376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}