{"id":294307,"date":"2024-10-19T20:00:31","date_gmt":"2024-10-19T20:00:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-49452018-tc\/"},"modified":"2024-10-25T17:13:59","modified_gmt":"2024-10-25T17:13:59","slug":"bs-en-iso-49452018-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-49452018-tc\/","title":{"rendered":"BS EN ISO 4945:2018 &#8211; TC"},"content":{"rendered":"<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>29<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>European foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>34<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>5 Reagents  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>6 Apparatus <br \/> 7 Sampling <br \/> 8 Procedure <br \/> 8.1 Test portion  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>8.2 Blank test <br \/> 8.3 Determination <br \/> 8.3.1 Dissolution <br \/> 8.3.2 Treatment of insoluble residue <br \/> 8.3.3 Steam distillation (see Figure A.1, A.2 or A.3)  <\/td>\n<\/tr>\n<tr>\n<td><b>38<b><\/td>\n<td>8.3.4 Formation of the coloured complex <br \/> 8.3.5 Spectrophotometric measurements <br \/> 8.4 Establishment of the calibration curve <br \/> 8.4.1 Preparation of the calibration solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>8.4.2 Spectrophotometric measurements <br \/> 8.4.3 Plotting the calibration curve <br \/> 9 Expression of results <br \/> 9.1 Method of calculation  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>9.2 Precision <br \/> 10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>Annex A (informative) Examples of distillation apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>44<b><\/td>\n<td>Annex B (informative) Additional information on the international interlaboratory test  <\/td>\n<\/tr>\n<tr>\n<td><b>47<b><\/td>\n<td>Annex C (informative) Graphical representation of precision data  <\/td>\n<\/tr>\n<tr>\n<td><b>48<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Tracked Changes. Steel. Determination of nitrogen. Spectrophotometric method<\/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>49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":294313,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1096,2641],"product_tag":[],"class_list":{"0":"post-294307","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-77-080-20","7":"product_cat-bsi","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\/294307","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\/294313"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=294307"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=294307"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=294307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}