{"id":613471,"date":"2024-11-05T23:05:34","date_gmt":"2024-11-05T23:05:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-34011991\/"},"modified":"2024-11-05T23:05:34","modified_gmt":"2024-11-05T23:05:34","slug":"iso-34011991","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-34011991\/","title":{"rendered":"ISO 3401:1991"},"content":{"rendered":"<p>\nLa pr\u00e9sente Norme internationale prescrit deux m\u00e9thodes de d\u00e9termination spectrom\u00e9trique de la r\u00e9tention des alcalo\u00efdes par les filtres des cigarettes: &#8212; la m\u00e9thode directe; &#8212; la m\u00e9thode indirecte. Ces m\u00e9thodes sont applicables aux cigarettes \u00e0 filtre. Il faut utiliser la m\u00e9thode directe, sauf si elle n&#039;est pas applicable du fait de la r\u00e9cup\u00e9ration incompl\u00e8te des alcalo\u00efdes retenus par le mat\u00e9riau filtrant (par exemple, avec certains types de filtres \u00e0 charbon actif). La m\u00e9thode indirecte ne s&#039;applique pas aux cigarettes dont les filtres sont gain\u00e9s avec des mat\u00e9riaux perfor\u00e9s ou poreux. La pr\u00e9sente Norme internationale ne s&#039;applique donc pas dans le cas de filtres pr\u00e9sentant une r\u00e9tention irr\u00e9versible de la nicotine et \u00e9quip\u00e9s d&#039;un gainage perfor\u00e9 ou poreux. <\/p>\n<p>NOTE 1  Ces m\u00e9thodes d\u00e9terminent seulement la r\u00e9tention des alcalo\u00efdes de la fum\u00e9e de tabac, exprim\u00e9s en nicotine. La r\u00e9tention d&#039;autres substances pr\u00e9sentes dans la fum\u00e9e du courant principal n&#039;est pas n\u00e9cessairement li\u00e9e \u00e0 la r\u00e9tention des alcalo\u00efdes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Cigarettes \u2014 D\u00e9termination de la r\u00e9tention des alcalo\u00efdes par les filtres \u2014 M\u00e9thode spectrom\u00e9trique<\/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>1991-12<\/td>\n<td>12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":613483,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[948,2634],"product_tag":[],"class_list":{"0":"post-613471","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-65-160","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\/613471","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\/613483"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=613471"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=613471"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=613471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}