{"id":619486,"date":"2024-11-05T23:34:46","date_gmt":"2024-11-05T23:34:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-58131983\/"},"modified":"2024-11-05T23:34:46","modified_gmt":"2024-11-05T23:34:46","slug":"iso-58131983","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-58131983\/","title":{"rendered":"ISO 5813:1983"},"content":{"rendered":"<p>\nLa pr\u00e9sente Norme internationale sp\u00e9cifie une m\u00e9thode iodom\u00e9trique pour le dosage de l&#039;oxyg\u00e8ne dissous dans les eaux selon le proc\u00e9d\u00e9 dit de Winkler, modifi\u00e9 afin de tenir compte de certaines interf\u00e9rences. La m\u00e9thode iodom\u00e9trique est la m\u00e9thode de r\u00e9f\u00e9rence pour le dosage de l&#039;oxyg\u00e8ne dissous dans les eaux. Elle est applicable \u00e0 tout type d&#039;eau ayant une concentration en oxyg\u00e8ne dissous sup\u00e9rieure \u00e0 0,2 mg\/l jusqu&#039;\u00e0 la double saturation en oxyg\u00e8ne (environ 20 mg\/l) et exempt de substances interf\u00e9rantes. Les substances organiques facilement oxydables &#8212; comme les tanins, les acides humiques, les lignines &#8212; interf\u00e8rent. Des substances sulfuriques oxydables &#8212; comme les sulfures, la thiour\u00e9e &#8212; interf\u00e8rent, ainsi que les syst\u00e8mes respirant activement qui consomment de l&#039;oxyg\u00e8ne. En pr\u00e9sence de telles substances, il est pr\u00e9f\u00e9rable d&#039;utiliser la m\u00e9thode \u00e9lectrochimique \u00e0 la sonde sp\u00e9cifi\u00e9e dans l&#039;ISO 5814. Les nitrites jusqu&#039;\u00e0 une concentration de 15 mg\/l n&#039;interf\u00e8rent pas dans le<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Qualit\u00e9 de l&#8217;eau \u2014 Dosage de l&#8217;oxyg\u00e8ne dissous \u2014 M\u00e9thode iodom\u00e9trique<\/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>1983-09<\/td>\n<td>8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":619497,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[216,2634],"product_tag":[],"class_list":{"0":"post-619486","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-50","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\/619486","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\/619497"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=619486"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=619486"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=619486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}