{"id":620186,"date":"2024-11-05T23:38:08","date_gmt":"2024-11-05T23:38:08","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-61432001\/"},"modified":"2024-11-05T23:38:08","modified_gmt":"2024-11-05T23:38:08","slug":"iso-61432001","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-61432001\/","title":{"rendered":"ISO 6143:2001"},"content":{"rendered":"<p>This International Standard provides methods for<\/p>\n<p>_ determining the composition of a calibration gas mixture by comparison with appropriate reference gas<\/p>\n<p>mixtures,<\/p>\n<p>_ calculating the uncertainty of the composition of a calibration gas mixture in relation to the known uncertainty of<\/p>\n<p>the composition of the reference gas mixtures with which it was compared,<\/p>\n<p>_ checking the composition attributed to a calibration gas mixture by comparison with appropriate reference gas<\/p>\n<p>mixtures,<\/p>\n<p>_ comparing the composition of several calibration gas mixtures, e.g. for the purpose of comparing different<\/p>\n<p>methods of gas mixture preparation, or for testing consistency among gas mixtures of closely related<\/p>\n<p>composition.<\/p>\n<p>NOTE In principle, the method described in this document is also applicable to the analysis of (largely) unknown samples<\/p>\n<p>instead of prospective calibration gas mixtures (i.e. gas mixtures which are intended for use as calibration gas mixtures). Such<\/p>\n<p>applications, however, require appropriate care and consideration of additional uncertainty components, for example concerning<\/p>\n<p>the effect of matrix differences between the reference gases used for calibration and the analysed sample.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Gas analysis \u2014 Comparison methods for determining and checking the composition of calibration gas mixtures<\/b><\/p>\n<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\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2001-06<\/td>\n<td>40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":620200,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1000,2634],"product_tag":[],"class_list":{"0":"post-620186","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-040-40","7":"product_cat-iso","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\/620186","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\/620200"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=620186"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=620186"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=620186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}