{"id":612902,"date":"2024-11-05T23:02:44","date_gmt":"2024-11-05T23:02:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-31771975\/"},"modified":"2024-11-05T23:02:44","modified_gmt":"2024-11-05T23:02:44","slug":"iso-31771975","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-31771975\/","title":{"rendered":"ISO 3177:1975"},"content":{"rendered":"<p>Applicable to products having contents, expressed as chlorine, between 2 mg\/kg and 50 mg\/kg. For contents exceeding 50mg\/kg the method specified in ISO 992 shall be used. The principle consists in quantitative displacement of the thiocyanate (SCN- ) ions of the mercury(II) thiocyanate by the cloride (Cl- ) ions contained in the test portion. Reaction of the thiocyanate ions with iron(III) nitrate to form iron(III) thiocyanate (red). Photometric measurement of the colour at a wavelength of about 450 nm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Potassium hydroxide for industrial use \u2014 Determination of chlorides content \u2014 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>1975-03<\/td>\n<td>5<\/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-612902","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\/612902","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=612902"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=612902"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=612902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}