{"id":309178,"date":"2024-10-19T21:13:47","date_gmt":"2024-10-19T21:13:47","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30375934-dc-2020\/"},"modified":"2024-10-25T18:55:12","modified_gmt":"2024-10-25T18:55:12","slug":"bsi-20-30375934-dc-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30375934-dc-2020\/","title":{"rendered":"BSI 20\/30375934 DC 2020"},"content":{"rendered":"<p>This document specifies two methods for the determination of the specific surface area of types and grades of carbon black for use in the rubber industry:<\/p>\n<ul>\n<li>\n<p>method A: automatic gas chromatography method (Carrier gas method);<\/p>\n<\/li>\n<li>\n<p>method B: automatic volumetric method.<\/p>\n<\/li>\n<\/ul>\n<p>Somewhat different results might be obtained from the two methods. The degassing procedure differs between method A and method B, and it is important to investigate the possibility of correcting the results by using standard reference blacks.<\/p>\n<p>The results might also differ from those obtained using the multipoint method specified in <span class=\"std\"><span class=\"std-ref\">ISO&nbsp;18852<\/span><\/span>, which is the preferred method.<\/p>\n<p>These methods are not applicable to porous carbon blacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>BS ISO 4652. Rubber compounding ingredients. Carbon black. Determination of specific surface area by nitrogen adsorption methods. Single-point procedures<\/b><\/p>\n<table class=\"shortdes-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\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":309186,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1173,2641],"product_tag":[],"class_list":{"0":"post-309178","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-040-20","7":"product_cat-bsi","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\/309178","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\/309186"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=309178"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=309178"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=309178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}