{"id":689374,"date":"2024-11-06T05:17:40","date_gmt":"2024-11-06T05:17:40","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/tappi-t-572-sp-21\/"},"modified":"2024-11-06T05:17:40","modified_gmt":"2024-11-06T05:17:40","slug":"tappi-t-572-sp-21","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/tappi\/tappi-t-572-sp-21\/","title":{"rendered":"TAPPI T 572 sp-21"},"content":{"rendered":"<p>This standard practice describes a laboratory procedure for the exposure of printing and writing paper to the common atmospheric pollutant gas nitrogen dioxide at elevated levels of concentration to permit accelerated aging of such paper.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Accelerated Pollutant Aging of Printing and Writing Paper by Pollution Chamber Exposure Apparatus<\/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\/tappi\/\"><b>TAPPI<\/b><\/a><\/td>\n<td>2021-10-14<\/td>\n<td>5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2661],"product_tag":[],"class_list":{"0":"post-689374","1":"product","2":"type-product","3":"status-publish","5":"product_cat-tappi","7":"first","8":"instock","9":"sold-individually","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/689374","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:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=689374"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=689374"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=689374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}