{"id":315811,"date":"2024-10-19T21:46:26","date_gmt":"2024-10-19T21:46:26","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-208842019\/"},"modified":"2024-10-25T19:55:11","modified_gmt":"2024-10-25T19:55:11","slug":"bs-en-iso-208842019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-208842019\/","title":{"rendered":"BS EN ISO 20884:2019"},"content":{"rendered":"<p>This document specifies a wavelength-dispersive X-ray fluorescence (WDXRF) test method for the determination of the sulfur content of liquid, homogeneous automotive fuels from 5\u00c2&nbsp;mg\/kg to 500\u00c2&nbsp;mg\/kg, which have a maximum oxygen content of 3,7\u00c2&nbsp;%\u00c2&nbsp;(<i>m\/m<\/i>). This product range covers:<\/p>\n<ul>\n<li>\n<p>diesel fuels containing up to about 30\u00c2&nbsp;%\u00c2&nbsp;( <i>V\/V<\/i>) fatty acid methyl esters (FAME),<\/p>\n<\/li>\n<li>\n<p>motor gasolines containing up to about 10\u00c2&nbsp;%\u00c2&nbsp;( <i>V\/V<\/i>) ethanol,<\/p>\n<\/li>\n<li>\n<p>synthetic fuels such as hydrotreated vegetable oil (HVO) and gas to liquid (GTL) having sulfur contents in the range of 5\u00c2&nbsp;mg\/kg to 45\u00c2&nbsp;mg\/kg.<\/p>\n<\/li>\n<\/ul>\n<p>Products with higher oxygen content show significant matrix effects, e.g. pure FAME used as biodiesel, nevertheless, pure FAME can be analysed when the corresponding procedures are followed (see <span class=\"xref\">5.3<\/span> and <span class=\"xref\">8.1<\/span>).<\/p>\n<p>Other products can be analysed with this test method, though precision data for products other than those mentioned have not been established for this document.<\/p>\n<p>NOTE\u00c2&nbsp;1 Sulfur contents higher than 500\u00c2&nbsp;mg\/kg can be determined after sample dilution, however, the precision was not established for diluted samples.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE\u00c2&nbsp;2\n <\/div>\n<p>For the purposes of this document, \u00e2\u20ac\u0153%\u00c2&nbsp;( <i>m\/m<\/i>)\u00e2\u20ac? and \u00e2\u20ac\u0153%\u00c2&nbsp;( <i>V\/V<\/i>)\u00e2\u20ac? are used to represent the mass fraction, <i>w,<\/i> and the volume fraction, <i>\u00cf\u2020<\/i>, of a material respectively.<\/p>\n<\/div>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>European foreword <br \/> Endorsement notice  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>4 Principle <br \/> 5 Reagents <br \/> 6 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>7 Sampling <br \/> 8 Calibration solutions <br \/> 8.1 Blank solution <br \/> 8.2 Stock solution <br \/> 8.3 Calibration solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>8.4 Storage and stability of the calibration solutions <br \/> 9 Settings <br \/> 9.1 Measuring parameters <br \/> 9.2 Optimization <br \/> 9.3 Performance check of the spectrometer  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>10 Calibration <br \/> 10.1 General <br \/> 10.2 Calibration solutions <br \/> 10.3 Calibration curves  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>10.4 Checking <br \/> 11 Procedure <br \/> 11.1 Samples with sulfur contents between 5 mg\/kg and 60 mg\/kg <br \/> 11.2 Samples with sulfur contents between 60 mg\/kg and 500 mg\/kg <br \/> 12 Expression of results  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>13 Precision <br \/> 13.1 General <br \/> 13.2 Repeatability, r  <br \/> 13.3 Reproducibility, R  <br \/> 14 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>Annex A (informative)  Good practices  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Petroleum products. Determination of sulfur content of automotive fuels. Wavelength-dispersive X-ray fluorescence spectrometry<\/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>2019<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":315813,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-315811","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/315811","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\/315813"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=315811"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=315811"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=315811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}