{"id":623725,"date":"2024-11-05T23:55:00","date_gmt":"2024-11-05T23:55:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-731-21977\/"},"modified":"2024-11-05T23:55:00","modified_gmt":"2024-11-05T23:55:00","slug":"iso-731-21977","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-731-21977\/","title":{"rendered":"ISO 731-2:1977"},"content":{"rendered":"

The principle consists in a titration of a test portion with a standard volumetric sodium hydroxide solution, using phenolphthalein as indicator. ISO\/R 731 has been subdivised into seven parts. ISO 731\/2 replaces clause 3 of ISO Recommendation R 731-1968.<\/p>\n","protected":false},"excerpt":{"rendered":"

Formic acid for industrial use \u2014 Methods of test \u2014 Part 2: Determination of total acidity \u2014 Titrimetric method<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ISO<\/b><\/a><\/td>\n1977-02<\/td>\n4<\/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":[1017,2634],"product_tag":[],"class_list":{"0":"post-623725","1":"product","2":"type-product","3":"status-publish","5":"product_cat-71-080-40","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\/623725","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=623725"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=623725"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=623725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}