{"id":280015,"date":"2024-10-19T18:54:38","date_gmt":"2024-10-19T18:54:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-2690-1041983\/"},"modified":"2024-10-25T15:29:31","modified_gmt":"2024-10-25T15:29:31","slug":"bs-2690-1041983","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-2690-1041983\/","title":{"rendered":"BS 2690-104:1983"},"content":{"rendered":"<p>The methods described are for the determination, in industrial waters, of reactive silica (spectrophotometry \u2014 reduced molybdosilicic acid), total silica (fusion and spectrophotometry) and suspended silica (filtration, fusion and spectrophotometry).<\/p>\n<p><b>Section 104.1 Reactive silica: spectrophotometric method (reduced molybdosilicic acid)<\/b><\/p>\n<p>Reactive silica by formation of molybdosilicic acid, reduction to molybdenum blue and spectrophotometric measurement. Applicable to up to 50 \u03bcg of SiO<sub>2<\/sub> in up to 100 ml. Total silica by prior fusion to reactive silica. Applicable to up to 50 \u03bcg of SiO<sub>2<\/sub> in up to 50 ml. Suspended silica by prior filtration and fusion. Applicable to up to 50 \u03bcg of SiO<sub>2<\/sub> in up to 1 L.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Methods of testing water used in industry &#8211; Silica: reactive, total and suspended<\/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>1983<\/td>\n<td>12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":280019,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[213,2641],"product_tag":[],"class_list":{"0":"post-280015","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-25","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\/280015","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\/280019"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=280015"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=280015"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=280015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}