{"id":638696,"date":"2024-11-06T01:08:09","date_gmt":"2024-11-06T01:08:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-r-9091968\/"},"modified":"2024-11-06T01:08:09","modified_gmt":"2024-11-06T01:08:09","slug":"iso-r-9091968","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-r-9091968\/","title":{"rendered":"ISO\/R 909:1968"},"content":{"rendered":"<p>The principle consists in evaporation of the test portion, taking up by means of hydrochloric acid and reduction of iron(III) by means of hydroxylammonium chloride. Formation of an iron(II)-2.2&#039;-bipyridyl complex in a buffered medium at a pH value between 4.5 and 6. Photometric measurement of the coloured complex at a wavelength of about 522 nm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Hydrochloric acid for industrial use \u2014 Determination of iron content \u2014 2,2&#8242;- Bipyridyl spectrophotometric 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>1968-12<\/td>\n<td>8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":638709,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1007,2634],"product_tag":[],"class_list":{"0":"post-638696","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-060-30","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/638696","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:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/638709"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=638696"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=638696"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=638696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}