{"id":445856,"date":"2024-10-20T08:43:51","date_gmt":"2024-10-20T08:43:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-47232023\/"},"modified":"2024-10-26T16:15:52","modified_gmt":"2024-10-26T16:15:52","slug":"bs-iso-47232023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-47232023\/","title":{"rendered":"BS ISO 4723:2023"},"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>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3 Terms, definitions and symbols <br \/> 3.1 Terms and definitions <br \/> 3.2 Symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5 Sampling, handling and storage <br \/> 6 Reagents and apparatus <br \/> 6.1 Reagents  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>6.1.1 229Th standard solution. <br \/> 6.1.13 Ethanol. <br \/> 6.1.14 227Ac standard solution. <br \/> 6.2 Apparatus <br \/> 6.2.1 Vacuum filtration system. <br \/> 6.2.3 Glass beakers. <br \/> 6.2.4 Centrifuge. <br \/> 6.2.8 Pipettes. <br \/> 6.2.9 Hot plate.  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>6.2.10 Stirring plate. <br \/> 6.2.11 Magnetic stirrer. <br \/> 6.2.12 Metal discs with a sticky side. <br \/> 6.2.13 Alpha spectrometer. <br \/> 7 Procedure <br \/> 7.1 Sample preparation <br \/> 7.2 Coprecipitation  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>7.3 Purification <br \/> 7.4 Thin layer source preparation <br \/> 7.5 Measurement <br \/> 8 Quality assurance and quality control program <br \/> 8.1 General <br \/> 8.2 Variables that can influence the measurement <br \/> 8.3 Instrument verification  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>8.4 Contamination <br \/> 8.5 Interference control <br \/> 8.6 Method verification <br \/> 8.7 Demonstration of analyst capability <br \/> 9 Expression of results <br \/> 9.1 General <br \/> 9.2 Tracer activity added  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>9.3 Count rate and net count rate <br \/> 9.4 Total recovery <br \/> 9.5 Activity concentration of 227Ac in the sample <br \/> 9.5.1 Direct measurement of 227Ac  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>9.5.2 Indirect measurement of 227Ac via 215Po peak after an ingrowth period  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>9.6 Combined uncertainties  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>9.7 Decision threshold <br \/> 9.8 Detection limit <br \/> 9.9 Probabilistically symmetric coverage interval <br \/> 9.9.1 Limits of the probabilistically symmetric coverage interval  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>9.9.2 The shortest coverage interval <br \/> 10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex A (informative) Potential radioactive interferences and examples of alpha spectrum  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex B (normative) Preparation of alpha source by electrodeposition  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Annex C (normative) Preparation of alpha source by lanthanide fluoride micro-precipitation  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Water quality. Actinium-227. Test method using alpha-spectrometry<\/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>2023<\/td>\n<td>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":445863,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[217,2641],"product_tag":[],"class_list":{"0":"post-445856","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-60","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\/445856","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\/445863"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=445856"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=445856"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=445856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}