{"id":602163,"date":"2024-11-05T22:13:37","date_gmt":"2024-11-05T22:13:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-19171972\/"},"modified":"2024-11-05T22:13:37","modified_gmt":"2024-11-05T22:13:37","slug":"iso-19171972","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-19171972\/","title":{"rendered":"ISO 1917:1972"},"content":{"rendered":"<p>Determination of the sodium oxide content by addition of an excess of a solution of hydrochloric acid and back titration with a standard volumetric solution of sodium hydroxide in presence of methyl red\/bromocresol green as indicator. Subsequent titration of the boric oxide with the standard volumetric solution of sodium hydroxide in the presence of mannitol or sorbitol, using phenolphthalein as indicator. Determination of the available oxygen content in a test portion by titration in acid solution with a standard volumetric potassium permanganate solution. The equation for the reaction involved in the determination of available oxygen is given.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Hydrated sodium perborates for industrial use \u2014 Determination of sodium oxide, boric oxide and available oxygen contents \u2014 Volumetric methods<\/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>1972-05<\/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":[1009,2634],"product_tag":[],"class_list":{"0":"post-602163","1":"product","2":"type-product","3":"status-publish","5":"product_cat-71-060-50","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\/602163","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=602163"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=602163"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=602163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}