{"id":280124,"date":"2024-10-19T18:55:07","date_gmt":"2024-10-19T18:55:07","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-1747-91987\/"},"modified":"2024-10-25T15:30:18","modified_gmt":"2024-10-25T15:30:18","slug":"bs-1747-91987","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-1747-91987\/","title":{"rendered":"BS 1747-9:1987"},"content":{"rendered":"<p>This International Standard specifies a chemiluminescence method for the determination of the mass concentration of nitrogen oxides present in ambient air.<\/p>\n<p>The method is applicable to the determination of the mass concentration of nitrogen monoxide present in ambient air up to approximately 12,5 mg\/m<sup>3<\/sup> and of nitrogen dioxide up to approximately 19 mg\/m<sup>3<\/sup> respectively<sup>1)<\/sup> at 25 \u00b0C and 101,3 kPa.<\/p>\n<p>For interferents, see <b>6.6<\/b>.<\/p>\n<p><sup>1)<\/sup> At the temperature and pressure given, the following conversion factors apply.<\/p>\n<p>Applicable to the measurement of NO up to a concentration of 12.5 mg\/m<sup>3<\/sup> and of NO<sub>2<\/sub> up to 19 mg\/m<sup>3<\/sup> at 25\u00b0C and 101.3 kPa.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Methods for measurement of air pollution &#8211; Determination of the mass concentration of nitrogen oxides in ambient air: chemiluminescence method<\/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>1987<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":280126,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[203,2641],"product_tag":[],"class_list":{"0":"post-280124","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-040-20","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\/280124","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\/280126"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=280124"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=280124"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=280124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}