{"id":591315,"date":"2024-11-05T21:18:47","date_gmt":"2024-11-05T21:18:47","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-1388-41981\/"},"modified":"2024-11-05T21:18:47","modified_gmt":"2024-11-05T21:18:47","slug":"iso-1388-41981","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-1388-41981\/","title":{"rendered":"ISO 1388-4:1981"},"content":{"rendered":"<p>The method is applicable to products having carbonyl compounds contents equal to or greater than 0.01 % (m\/m). The method only allows determination of those carbonyl compounds which react under the specified conditions. The principle is based on the reaction of hydroxylammonium chloride with the carbonyl compounds in a test portion and titration of the hydrochloric acid formed with standard volumetric sodium hydroxide solution, in the presence of bromophenol blue as indicator. &#8211; International Standards ISO 1388\/1 to ISO 1377\/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Ethanol for industrial use \u2014 Methods of test \u2014 Part 4: Estimation of content of carbonyl compounds present in moderate amounts \u2014 Titrimetric 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>1981-12<\/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":[1019,2634],"product_tag":[],"class_list":{"0":"post-591315","1":"product","2":"type-product","3":"status-publish","5":"product_cat-71-080-60","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\/591315","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=591315"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=591315"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=591315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}