{"id":640080,"date":"2024-11-06T01:14:48","date_gmt":"2024-11-06T01:14:48","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-tr-204612000\/"},"modified":"2024-11-06T01:14:48","modified_gmt":"2024-11-06T01:14:48","slug":"iso-tr-204612000","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-tr-204612000\/","title":{"rendered":"ISO\/TR 20461:2000"},"content":{"rendered":"<p>This Technical Report gives the detailed evaluation of uncertainty for volume measurements according to the<\/p>\n<p><i>Guide to the Expression of Uncertainty in Measurement <\/i>(GUM) [1]. It uses the gravimetric method specified in<\/p>\n<p>ISO 8655-6 [2] as the reference method for calibrating piston-operated volumetric apparatus. It has been arranged<\/p>\n<p>in paragraphs to facilitate direct access to different aspects of this kind of evaluation as follows:<\/p>\n<p>_ modelling the measurement by describing the physical equations necessary to calculate the volume using the<\/p>\n<p>gravimetric method of measurement;<\/p>\n<p>_ determination of the standard uncertainty of measurement associated with the volume <i>V<\/i>20 by describing the<\/p>\n<p>calculation procedure according to the GUM;<\/p>\n<p>_ determination of the sensitivity coefficients with an example of the calculation of all sensitivity coefficients by<\/p>\n<p>using complete equations, approximations of equations and by giving numerical values for standard<\/p>\n<p>conditions;<\/p>\n<p>_ determination of the standard uncertainty associated with the volume delivered by a piston-operated<\/p>\n<p>volumetric apparatus giving the combination of the standard uncertainty associated with the volume <i>V<\/i>20<\/p>\n<p>measured using the gravimetric measuring system and the experimental standard deviation associated with<\/p>\n<p>the volume delivered by the apparatus;<\/p>\n<p>_ determination of the standard uncertainties of measurement with a brief insight into the calculation of<\/p>\n<p>uncertainties of measuring devices according to GUM;<\/p>\n<p>_ determination of the expanded uncertainty of measurement associated with volume <i>V<\/i>20;<\/p>\n<p>_ example of the determination of the uncertainty for volume measurements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Determination of uncertainty for volume measurements made using the gravimetric method<\/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>2000-11<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":640092,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[259,2634],"product_tag":[],"class_list":{"0":"post-640080","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-060","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\/640080","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\/640092"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=640080"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=640080"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=640080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}