{"id":595527,"date":"2024-11-05T21:42:43","date_gmt":"2024-11-05T21:42:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-157052002\/"},"modified":"2024-11-05T21:42:43","modified_gmt":"2024-11-05T21:42:43","slug":"iso-157052002","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-157052002\/","title":{"rendered":"ISO 15705:2002"},"content":{"rendered":"<p>L&#039;ISO 15705:2002 sp\u00e9cifie une m\u00e9thode pour la d\u00e9termination de la demande chimique en oxyg\u00e8ne (ST-DCO) au moyen de la m\u00e9thode en tube ferm\u00e9. L&#039;essai est empirique et est applicable aux \u00e9chantillons aqueux, qui comprennent l&#039;ensemble des eaux us\u00e9es et r\u00e9siduaires.<\/p>\n<p>La m\u00e9thode est applicable aux \u00e9chantillons non dilu\u00e9s ayant une ST-DCO inf\u00e9rieure \u00e0 1 000 mg\/l et une concentration en chlorure ne d\u00e9passant pas 1 000 mg\/l. Les \u00e9chantillons pr\u00e9sentant des valeurs de ST-DCO sup\u00e9rieures requi\u00e8rent d&#039;\u00eatre pr\u00e9alablement dilu\u00e9s. Pour les \u00e9chantillons \u00e0 faible valeur en DCO, la fid\u00e9lit\u00e9 du mesurage sera diminu\u00e9e ainsi que la limite de d\u00e9tection. <\/p>\n<p>La m\u00e9thode oxyde presque tous les types de compos\u00e9s organiques et la plupart des agents r\u00e9ducteurs inorganiques. Sa limite de d\u00e9tection (4,65 fois l&#039;\u00e9cart-type intralaboratoire d&#039;un blanc ou d&#039;un \u00e9talon tr\u00e8s faible) est de 6 mg\/l pour la d\u00e9tection photom\u00e9trique \u00e0 600 nm et de 15 mg\/l pour la d\u00e9tection titrim\u00e9trique, comme indiqu\u00e9 par un laboratoire ayant compar\u00e9 les techniques photom\u00e9trique et titrim\u00e9trique \u00e0 l&#039;aide d&#039;un kit d&#039;essai commercial dans une gamme allant jusqu&#039;\u00e0 1 000 mg\/l.<\/p>\n<p>La partie titrim\u00e9trique de la m\u00e9thode est applicable aux \u00e9chantillons pr\u00e9sentant une couleur atypique ou une turbidit\u00e9 apr\u00e8s la phase de digestion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Qualit\u00e9 de l&#8217;eau \u2014 D\u00e9termination de l&#8217;indice de demande chimique en oxyg\u00e8ne (ST-DCO) \u2014 M\u00e9thode \u00e0 petite \u00e9chelle en tube ferm\u00e9<\/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>2002-11<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":595547,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[216,2634],"product_tag":[],"class_list":{"0":"post-595527","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\/595527","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\/595547"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=595527"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=595527"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=595527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}