{"id":630141,"date":"2024-11-06T00:27:09","date_gmt":"2024-11-06T00:27:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-95021993\/"},"modified":"2024-11-06T00:27:09","modified_gmt":"2024-11-06T00:27:09","slug":"iso-95021993","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-95021993\/","title":{"rendered":"ISO 9502:1993"},"content":{"rendered":"<p>The principle of the method specified is to decompose a test portion by alkaline fusion with sodium carbonate and subsequent acidification with hydrochloric acid in the presence of boric acid to complex fluoride, selective reduction to the blue molybdosilicic acid complex, spectrometric measurement of the absorbance of the coloured complex at a wavelength corresponding to the absorption maximum of approximately 650 nm. Applies to products having silica contents, expressed as SiO<sub>2<\/sub>, in the range 0,2 % (m\/m) to 30 % (m\/m).<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Metallurgical-grade fluorspar \u2014 Determination of silica content \u2014 Reduced-molybdosilicate spectrometric 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\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>1993-03<\/td>\n<td>9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":630150,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1054,2634],"product_tag":[],"class_list":{"0":"post-630141","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-73-080","7":"product_cat-iso","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\/630141","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\/630150"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=630141"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=630141"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=630141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}