{"id":294202,"date":"2024-10-19T19:59:59","date_gmt":"2024-10-19T19:59:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-239782020\/"},"modified":"2024-10-25T17:13:04","modified_gmt":"2024-10-25T17:13:04","slug":"bs-iso-239782020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-239782020\/","title":{"rendered":"BS ISO 23978:2020"},"content":{"rendered":"<p>This document describes a laser Raman spectroscopy method for the quantitative determination of chemical composition of natural gas in upstream area.<\/p>\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>National foreword  <\/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>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4 Principle <br \/> 4.1 Working principle of the laser Raman analyser  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4.2 Calculation <br \/> 5 Instruments <br \/> 5.1 Laser Raman gas analyser  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.2 Laser specifications <br \/> 5.3 Detection module <br \/> 5.4 Signal processing and user interface <br \/> 5.5 Sample filtration and probe <br \/> 5.6 Gas pressure regulator  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.7 Sulfur compound absorber <br \/> 6 Reagents and materials <br \/> 6.1 Zero gas <br \/> 6.2 Base span calibration gases <br \/> 6.3 Working span calibration gases <br \/> 7 Measurement procedures <br \/> 7.1 preparation  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7.2 Calibration <br \/> 7.2.1 Calibration frequency <br \/> 7.2.2 Calibration procedure <br \/> 7.2.3 Zero calibration <br \/> 7.2.4 Base span calibration <br \/> 7.2.5 Working span calibration <br \/> 7.3 Sampling and sample analysis  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.4 Data record <br \/> 8 Repeatability <br \/> 9 Uncertainty evaluation <br \/> 9.1 General <br \/> 9.2 Uncertainty of Ii and IRi  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>9.3 Uncertainty of CRi <br \/> 9.4 Uncertainty of result  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Annex A (informative) Statistical procedure for estimation of the repeatability  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Natural gas. Upstream area. Determination of composition by Laser Raman spectroscopy<\/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>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":294207,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-294202","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\/294202","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\/294207"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=294202"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=294202"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=294202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}