{"id":601457,"date":"2024-11-05T22:10:22","date_gmt":"2024-11-05T22:10:22","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-187572003\/"},"modified":"2024-11-05T22:10:22","modified_gmt":"2024-11-05T22:10:22","slug":"iso-187572003","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-187572003\/","title":{"rendered":"ISO 18757:2003"},"content":{"rendered":"<p>L&#039;ISO 18757:2003 donne des lignes directrices pour la d\u00e9termination de la surface sp\u00e9cifique (aire massique) totale externe et interne des mat\u00e9riaux c\u00e9ramiques fins dispers\u00e9s ou poreux (diam\u00e8tre de pore sup\u00e9rieur \u00e0 2 nm) par mesurage de la quantit\u00e9 de gaz physiquement adsorb\u00e9e, conform\u00e9ment \u00e0 la m\u00e9thode de Brunauer, Emmet et Teller (m\u00e9thode BET). Les grandes lignes de la m\u00e9thode sont d\u00e9crites dans l&#039;ISO 9277. L&#039;ISO 18757:2003 n&#039;est ax\u00e9e que sur les d\u00e9tails particuliers applicables aux c\u00e9ramiques fines. Il convient de noter par ailleurs que la m\u00e9thode BET n&#039;est pas utilisable pour les isothermes de type 1 (mat\u00e9riaux microporeux ou pour lesquels le contact se fait par chimisorption) ou pour les solides qui absorbent le gaz de mesure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>C\u00e9ramiques techniques \u2014 D\u00e9termination de la surface sp\u00e9cifique (aire massique) des poudres c\u00e9ramiques par adsorption de gaz \u00e0 l&#8217;aide de la m\u00e9thode BET<\/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>2003-12<\/td>\n<td>NA<\/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":[1164,2634],"product_tag":[],"class_list":{"0":"post-601457","1":"product","2":"type-product","3":"status-publish","5":"product_cat-81-060-30","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\/601457","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=601457"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=601457"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=601457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}