{"id":630808,"date":"2024-11-06T00:30:28","date_gmt":"2024-11-06T00:30:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-9831974\/"},"modified":"2024-11-06T00:30:28","modified_gmt":"2024-11-06T00:30:28","slug":"iso-9831974","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-9831974\/","title":{"rendered":"ISO 983:1974"},"content":{"rendered":"<p>Specifies a method that is more sensitive and more widely used than the 2,2&#039;-bipyridyl method. It is applicable to products having iron contents equal to or greater than 0.5 mg\/kg. The principle is based on the reduction of trivalent iron by hydroxylammonium chloride, formation of a bivalent iron\/1,10-phenanthroline complex in a buffered system. Photometric measurement of the coloured complex at a wavelength of about 510 nm. This method has also been approved by the IUPAC. &#8211; Cancels and replaces ISO Recommendation R 983-1969.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Sodium hydroxide for industrial use \u2014 Determination of iron content \u2014 1,10- Phenanthroline photometric 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>1974-12<\/td>\n<td>4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1008,2634],"product_tag":[],"class_list":{"0":"post-630808","1":"product","2":"type-product","3":"status-publish","5":"product_cat-71-060-40","6":"product_cat-iso","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/630808","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:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=630808"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=630808"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=630808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}