{"id":401443,"date":"2024-10-20T04:56:22","date_gmt":"2024-10-20T04:56:22","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-8655-82022\/"},"modified":"2024-10-26T08:44:16","modified_gmt":"2024-10-26T08:44:16","slug":"bs-en-iso-8655-82022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-8655-82022\/","title":{"rendered":"BS EN ISO 8655-8:2022"},"content":{"rendered":"<p>This document specifies the photometric reference measurement procedure for the determination of volume of piston-operated volumetric apparatus (POVA). The procedure is applicable to complete systems comprising the basic apparatus with a maximum nominal volume of 5&nbsp;000&nbsp;\u00b5l and all parts selected for use with the apparatus, disposable or reusable, involved in the measurement by delivery (Ex).<\/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>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4 General requirements <br \/> 5 Test equipment <br \/> 5.1 General <br \/> 5.2 Spectrophotometer <br \/> 5.3 Cuvette and mixer  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5.4 Measuring devices <br \/> 5.5 Equipment used for solution preparation <br \/> 5.6 Balances  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.7 Density meter <br \/> 5.8 pH meter <br \/> 6 Reagents <br \/> 6.1 General requirements <br \/> 6.2 Water <br \/> 6.3 Buffer solution <br \/> 6.4 Copper(II) chloride solution <br \/> 6.5 Ponceau S solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6.6 Calibrator solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>6.7 Stability of solutions <br \/> 6.7.1 General <br \/> 6.7.2 Preservatives <br \/> 6.7.3 Light sensitivity <br \/> 6.7.4 Storage temperature <br \/> 7 Test conditions <br \/> 7.1 General <br \/> 7.2 Test room  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.3 Evaporation <br \/> 8 Procedure <br \/> 8.1 General <br \/> 8.1.1 Summary <br \/> 8.1.2 Test conditions <br \/> 8.1.3 Test volume <br \/> 8.1.4 Number of measurements per volume to be tested  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>8.2 System calibration <br \/> 8.2.1 General <br \/> 8.2.2 System calibration procedure <br \/> 8.2.3 Previous calibration <br \/> 8.3 Photometric procedure <br \/> 8.3.1 Preparation of cuvettes <br \/> 8.3.2 Zero of the spectrophotometer <br \/> 8.3.3 Starting absorbances  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>8.3.4 Dispensing of test liquids <br \/> 8.3.5 Absorbance of the chromophore mixture <br \/> 8.3.6 Calculation of the delivered test volume <br \/> 8.4 Preparation <br \/> 8.5 Single-channel air displacement pipettes (in accordance with ISO 8655\u20112) <br \/> 8.5.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>8.5.2 Test cycle  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>8.6 Multi-channel pipettes (in accordance with ISO 8655\u20112) <br \/> 8.7 Positive displacement pipettes (in accordance with ISO 8655\u20112) <br \/> 8.8 Burettes (in accordance with ISO 8655\u20113)  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>8.9 Dispensers (in accordance with ISO 8655\u20115) <br \/> 8.10 Syringes (in accordance with ISO 8655\u20119) <br \/> 8.10.1 General <br \/> 8.10.2 Test cycle  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>9 Evaluation <br \/> 9.1 Calculation of volume <br \/> 9.1.1 Calibration constant <br \/> 9.1.2 Volume of test liquid <br \/> 9.1.3 Temperature correction  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>9.1.4 Mean volume <br \/> 9.2 Systematic error of measurement <br \/> 9.3 Random error of measurement  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>9.4 Uncertainty of measurement <br \/> 10 Reporting of results  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex A (normative) Calculation of volumes from balance readings  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Piston-operated volumetric apparatus &#8211; Photometric reference measurement procedure for the determination of volume<\/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>2022<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":401450,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-401443","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\/401443","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\/401450"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=401443"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=401443"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=401443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}