{"id":381156,"date":"2024-10-20T03:10:16","date_gmt":"2024-10-20T03:10:16","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-88402021\/"},"modified":"2024-10-26T05:44:49","modified_gmt":"2024-10-26T05:44:49","slug":"bs-iso-88402021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-88402021\/","title":{"rendered":"BS ISO 8840:2021"},"content":{"rendered":"<p>This document specifies three methods for the determination of the bulk density of granular refractory materials (grain density) having a grain size larger than 2&nbsp;mm:<\/p>\n<ul>\n<li>\n<p>Method&nbsp;1: mercury method with vacuum;<\/p>\n<\/li>\n<li>\n<p>Method&nbsp;2: arrested water absorption method;<\/p>\n<\/li>\n<li>\n<p>Method 3: vacuum method with spin dryer option according to <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;5017<\/span><\/span> .<\/p>\n<\/li>\n<\/ul>\n<p>Method 1 is intended as the reference method.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE\n <\/div>\n<p>Depending on the nature of the material tested, the three methods can give different results. Any statement of the value of a bulk density can therefore be accompanied by an indication of the method used or to be used in case of dispute.<\/p>\n<\/div>\n<p>The same method can be used for the determination of the volume of the sample, for selecting and preparing the sample, for calculating the bulk density and for presenting the test report.<\/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>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 Sampling <br \/> 6 Preparation, number and test size of samples <br \/> 6.1 Preparation of samples <br \/> 6.2 Number of samples <br \/> 6.3 Mass of test samples <br \/> 7 Determination of mass of test sample  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>8 Determination of volume of test sample \u2014 Method 1: Mercury method with vacuum <br \/> 8.1 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>8.2 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>8.3 Determination of mass of empty vacuum pycnometer  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>8.4 Determination of mass of pycnometer filled with mercury <br \/> 8.5 Determination of mass of pycnometer containing test sample and filled with mercury <br \/> 8.6 Calculation of volume of test sample  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>9 Determination of volume of test sample \u2014 Method 2: Arrested water absorption method <br \/> 9.1 Apparatus <br \/> 9.1.4 Flat-weave cotton cloth <br \/> 9.1.5 Burette magnifier <br \/> 9.2 Determination of volume of test sample <br \/> 9.3 Calculation of results  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>10 Determination of bulk density of test sample \u2014 Method 3: Vacuum method with spin dryer option <br \/> 10.1 Principle <br \/> 10.2 Apparatus and materials  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>10.3 Procedure <br \/> 10.3.1 Determination of the mass of dry test piece (m 1) <br \/> 10.3.2 Soaking of the test sample  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>10.3.3 Determination of the apparent mass of the immersed test sample (m 5) and the mass of the soaked test sample (m 3)  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>10.4 Calculation of results <br \/> 10.4.1 Calculation of the volume of the test sample (V R) <br \/> 10.4.2 Calculation of the bulk density of the test sample (\u03c1 R)  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>10.5 Precision and bias <br \/> 10.5.1 Interlaboratory data <br \/> 10.5.2 Precision  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>10.5.3 Bias <br \/> 11 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Refractory materials. Determination of bulk density of granular materials (grain density)<\/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>2021<\/td>\n<td>22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":381166,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-381156","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\/381156","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\/381166"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=381156"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=381156"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=381156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}