{"id":494134,"date":"2024-11-05T12:47:02","date_gmt":"2024-11-05T12:47:02","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/as-3515-12019\/"},"modified":"2024-11-05T12:47:02","modified_gmt":"2024-11-05T12:47:02","slug":"as-3515-12019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/as\/as-3515-12019\/","title":{"rendered":"AS 3515.1:2019"},"content":{"rendered":"<p>This Standard sets out gravimetric procedures for the determination of gold content in the range 0.2 % to 30 % in gold and gold bearing alloys with &lt; 2 % nickel, &lt; 0.05 % rhodium, &lt; 0.05 % tungsten, &lt; 0.05 % tin, &lt; 1 % platinum and &lt; 3 % palladium. <\/p>\n<p><b>Scope<\/b><\/p>\n<p> This Standard sets out gravimetric procedures for the determination of gold content in the range 0.2 % to 30 % in gold and gold bearing alloys with &lt; 2 % nickel, &lt; 0.05 % rhodium, &lt; 0.05 % tungsten, &lt; 0.05 % tin, &lt; 1 % platinum and &lt; 3 % palladium. This method is not suitable for alloys containing iridium. <br \/> Two methods of gold determination are specified: <br \/> (a) The first method is used when the total precious metal content is less than 40 %. <br \/> (b) The second method is used when the total precious metal content is 40 % or greater. <br \/> NOTE 1 Recommended methods of sampling bullion for use with this Standard are provided in Appendix A. <br \/> NOTE 2 The presence of the following elements may cause difficulties in obtaining a homogeneous sample: iron, lead, antimony, nickel or arsenic. <br \/> NOTE 3 A preliminary assay may first be performed to determine the gold, silver and base metal present.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Gold and gold bearing alloys &#8211; Determination of gold content (less than 30%) &#8211; Gravimetric (fire assay) method<\/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>2019-03-01<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":494150,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1107,2633],"product_tag":[],"class_list":{"0":"post-494134","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-77-120-99","7":"product_cat-as","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\/494134","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\/494150"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=494134"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=494134"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=494134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}