{"id":613441,"date":"2024-11-05T23:05:25","date_gmt":"2024-11-05T23:05:25","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-33911976\/"},"modified":"2024-11-05T23:05:25","modified_gmt":"2024-11-05T23:05:25","slug":"iso-33911976","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-33911976\/","title":{"rendered":"ISO 3391:1976"},"content":{"rendered":"

Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene\/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cryolithe, naturelle et artificielle \u2014 Dosage du calcium \u2014 M\u00e9thode par absorption atomique dans la flamme<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ISO<\/b><\/a><\/td>\n1976-09<\/td>\n8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":613454,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1009,2634],"product_tag":[],"class_list":{"0":"post-613441","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-060-50","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\/613441","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\/613454"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=613441"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=613441"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=613441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}