{"id":596956,"date":"2024-11-05T21:49:59","date_gmt":"2024-11-05T21:49:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-16258-12015\/"},"modified":"2024-11-05T21:49:59","modified_gmt":"2024-11-05T21:49:59","slug":"iso-16258-12015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-16258-12015\/","title":{"rendered":"ISO 16258-1:2015"},"content":{"rendered":"<p>ISO 16258-1:2015 sp\u00e9cifie l&#039;analyse par diffraction des rayons X de la fraction alv\u00e9olaire de silice cristalline (RCS) dans des pr\u00e9l\u00e8vements d&#039;air collect\u00e9s sur des filtres de 25 mm de diam\u00e8tre, en utilisant une approche analytique o\u00f9 les poussi\u00e8res pr\u00e9sentes sur le filtre de pr\u00e9l\u00e8vement d&#039;air sont directement analys\u00e9es par l&#039;instrument. La pr\u00e9sente partie de l&#039;ISO 16258 contient des informations concernant les param\u00e8tres instrumentaux, la sensibilit\u00e9 de diff\u00e9rents dispositifs de pr\u00e9l\u00e8vement, les utilisations de diff\u00e9rents filtres et la correction des effets d&#039;absorption. Dans la pr\u00e9sente partie de l&#039;ISO 16258, le terme \u00absilice cristalline alv\u00e9olaire\u00bb englobe les polymorphes les plus courants du quartz et de la cristobalite. Les polymorphes les moins courants de la silice cristalline, tels que la tridymite, ne rel\u00e8vent pas du domaine d&#039;application de la pr\u00e9sente partie de l&#039;ISO 16258 car aucun mat\u00e9riau de r\u00e9f\u00e9rence normalis\u00e9 n&#039;est disponible. Dans certaines circonstances (\u00e0 savoir faibles capacit\u00e9s de r\u00e9tention des filtres, faible teneur en silice), l&#039;approche analytique d\u00e9crite dans la pr\u00e9sente m\u00e9thode peut ne pas satisfaire aux exigences relatives \u00e0 l&#039;incertitude \u00e9largie de l&#039;EN 482.[5] Des lignes directrices relatives au calcul de l&#039;incertitude de mesure de la fraction alv\u00e9olaire de la silice cristalline sont donn\u00e9es dans l&#039;ISO 24095.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Air des lieux de travail \u2014 Fraction alv\u00e9olaire de la silice cristalline par diffraction de rayons X \u2014 Partie 1: M\u00e9thode directe d&#8217;analyse sur filtre<\/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>2015-09<\/td>\n<td>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":596969,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[204,2634],"product_tag":[],"class_list":{"0":"post-596956","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-040-30","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\/596956","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\/596969"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=596956"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=596956"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=596956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}