{"id":495027,"date":"2024-11-05T12:51:33","date_gmt":"2024-11-05T12:51:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/as-38701991\/"},"modified":"2024-11-05T12:51:33","modified_gmt":"2024-11-05T12:51:33","slug":"as-38701991","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/as\/as-38701991\/","title":{"rendered":"AS 3870:1991"},"content":{"rendered":"<p>Provides broad guidelines for the selection of a suitable source material, and its subsequent preparation, testing and certification as a reference material intended for use in the calibration of apparatus, the assessment of a method of analysis, or for assigning compositional values to related materials. <\/p>\n<p><b>Scope<\/b><\/p>\n<p> This Standard provides broad guidelines for the selection of a suitable source material, and its subsequent preparation, testing and certification as a reference material intended for use in the calibration of apparatus, the assessment of a method of analysis, or for assigning compositional values to related materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Certified reference materials &#8211; General guide to material selection, preparation, testing and certification<\/b><\/p>\n<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\/as\/\"><b>AS<\/b><\/a><\/td>\n<td>1991-03-28<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":495039,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[251,999,2633],"product_tag":[],"class_list":{"0":"post-495027","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-020","7":"product_cat-71-040-30","8":"product_cat-as","10":"first","11":"instock","12":"sold-individually","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/495027","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\/495039"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=495027"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=495027"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=495027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}