{"id":284201,"date":"2024-10-19T19:13:56","date_gmt":"2024-10-19T19:13:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-161792012\/"},"modified":"2024-10-25T16:02:20","modified_gmt":"2024-10-25T16:02:20","slug":"bs-en-161792012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-161792012\/","title":{"rendered":"BS EN 16179:2012"},"content":{"rendered":"<p>This European Standard specifies the pretreatment required for sludge, treated biowaste and soil (including soil-like materials), that are subject to the analysis of organic as well as inorganic chemical and physico-chemical parameters.<\/p>\n<p>The pretreatment of samples aims at preparing a (small) test sample which is representative for the original sample.<\/p>\n<p>This European Standard describes the pretreatment which could be performed under field conditions if necessary (see Clause 8) and the sample pretreatment under laboratory conditions (Clause 10).<\/p>\n<p>For determining inorganic chemical and physico-chemical parameters this European Standard describes procedures (see 10.2) to prepare:<\/p>\n<ul>\n<li>\n<p>test samples for tests under field moist conditions;<\/p>\n<\/li>\n<li>\n<p>test samples for testing after drying, crushing, grinding, sieving etc.;<\/p>\n<\/li>\n<li>\n<p>test samples of liquid sludge.<\/p>\n<\/li>\n<\/ul>\n<p>For determination of organic compounds three pretreatment methods are specified:<\/p>\n<ul>\n<li>\n<p>a pretreatment method if volatile organic compounds are to be measured (see 10.3.2);<\/p>\n<\/li>\n<li>\n<p>a pretreatment method if moderately volatile to non-volatile organic compounds are to be measured and the result of the following analysis will be accurate and reproducible (see 10.3.3);<\/p>\n<\/li>\n<li>\n<p>a pretreatment method if moderately volatile to non-volatile organic compounds are to be measured and the extraction procedure prescribes a field moist sample or if only indicative results are required (see 10.3.4).<\/p>\n<\/li>\n<\/ul>\n<p>The choice of the method depends above all on the volatility of the analyte. It also depends on the particle size distribution of the material (see Clause 5 and 8.3), the heterogeneity of the sample and the following analytical procedure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Sludge, treated biowaste and soil. Guidance for sample pretreatment<\/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>2012<\/td>\n<td>50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":284205,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[222,2641],"product_tag":[],"class_list":{"0":"post-284201","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-080-05","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\/284201","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\/284205"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=284201"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=284201"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=284201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}