{"id":659655,"date":"2024-11-06T02:45:37","date_gmt":"2024-11-06T02:45:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/jis-p-82112011\/"},"modified":"2024-11-06T02:45:37","modified_gmt":"2024-11-06T02:45:37","slug":"jis-p-82112011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/jis\/jis-p-82112011\/","title":{"rendered":"JIS P 8211:2011"},"content":{"rendered":"<p>This Standard specifies a method for the determination of the Kappa number of pulp.<\/p>\n<p>\nThe Kappa number is an indication of the lignin content or bleachability of pulp.<\/p>\n<p>\nThis Standard is applicable to all kinds of chemical pulps and semi-chemical pulps within the Kappa number range 1 to 100.<\/p>\n<p>\nTo achieve the greatest precision and accuracy, the sample size should be adjusted so that the consumption of permanganate falls between 20 % and 60 % of the amount added.<\/p>\n<p>\nNOTE 1 There is no general and unambiguous relationship between the Kappa number and the lignin content of pulp.<\/p>\n<p>\nThe relationship varies according to the wood species and delignification procedure.<\/p>\n<p>\nAll compounds oxidized by KMnO4, not only lignin, will increase the consumption of KMnO4, and thereby increase the Kappa number [7].<\/p>\n<p>\nIf the Kappa number is to be used to derive an index of pulp lignin content, specific relationships will have to be developed for each pulp type.<\/p>\n<p>\nNOTE 2 For pulps with a Kappa number exceeding 100, use the chlorineconsumption procedure (ISO 3260) to describe the degree of delignification.<\/p>\n<p>\nNOTE 3 The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:<\/p>\n<p>\nISO 302: 2004 Pulps-Determination of Kappa number (IDT)<\/p>\n<p>\nThe symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO\/lEC Guide 21-1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Pulps-Determination of Kappa number<\/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\/jis\/\"><b>JIS<\/b><\/a><\/td>\n<td>2011-03-22<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":659671,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1200,2655],"product_tag":[],"class_list":{"0":"post-659655","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-85-040","7":"product_cat-jis","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\/659655","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\/659671"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=659655"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=659655"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=659655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}