{"id":344454,"date":"2024-10-20T00:11:34","date_gmt":"2024-10-20T00:11:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-241172020\/"},"modified":"2024-10-25T23:34:02","modified_gmt":"2024-10-25T23:34:02","slug":"bs-iso-241172020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-241172020\/","title":{"rendered":"BS ISO 24117:2020"},"content":{"rendered":"<p>This document establishes requirements for the use of the glass designations \u201cclear glass\u201d and \u201cultra-clear glass\u201d for non-coloured glass items according to their clarity and iron content. It specifies a procedure for measuring the clarity of glass items by means of a spectrophotometer.<\/p>\n<p>This document is applicable to<\/p>\n<ul>\n<li>\n<p>mineral glasses, and<\/p>\n<\/li>\n<li>\n<p>glass items where a part is not covered by coating or decoration, and is therefore available for sampling.<\/p>\n<\/li>\n<\/ul>\n<p>This document is applicable to the use of glass as tableware, giftware, jewellery and luminaries.<\/p>\n<p>It is not applicable to the use of glass in the context of building, watches, containers, medicine and laboratories, and to other technical uses of glass.<\/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 <br \/> 4 Specifications <br \/> 4.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4.2 Specifications for ultra-clear glass <br \/> 4.3 Specifications for clear glass <br \/> 5 Test methods <br \/> 5.1 General <br \/> 5.2 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5.3 Sampling <br \/> 5.3.1 General <br \/> 5.3.2 Cutting <br \/> 5.4 Sample preparation <br \/> 5.4.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.4.2 Cutting <br \/> 5.4.3 Grinding <br \/> 5.4.4 Polishing  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Annex A (normative) Determination of the lightness L* and chroma C*  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Annex B (normative) Determination of the iron oxide content  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>Annex C (informative) Estimation of the experimental reproducibility  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Tableware, giftware, jewellery and luminaries, made of glass. Glass clarity. Classification and test 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>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":344457,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1159,2641],"product_tag":[],"class_list":{"0":"post-344454","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-81-040-30","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\/344454","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\/344457"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=344454"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=344454"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=344454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}