{"id":4385,"date":"2025-06-12T13:23:27","date_gmt":"2025-06-12T13:23:27","guid":{"rendered":"https:\/\/normalab.com\/normes\/astm-d8321\/"},"modified":"2025-06-12T13:34:05","modified_gmt":"2025-06-12T13:34:05","slug":"astm-d8321","status":"publish","type":"normes","link":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/","title":{"rendered":"ASTM D8321"},"content":{"rendered":"<p>This practice covers a guide for the multivariate calibration of infrared (IR) spectrophotometers and Raman spectrometers used in determining the physical, chemical, and performance properties of petroleum products, liquid fuels including biofuels, and lubricants. This practice is applicable to analyses conducted in the near infrared (NIR) spectral region through the mid infrared (MIR) spectral region.<a class=\"partenaire\" href=\"https:\/\/normalab.com\/partenaires\/#eralytics\">Eralytics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Standard Practice for Development and Validation of Multivariate Analyses for Use in Predicting Properties of Petroleum Products, Liquid Fuels, and Lubricants based on Spectroscopic Measurements<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3231,"menu_order":0,"template":"","meta":{"_acf_changed":false},"groupe-norme":[105],"class_list":["post-4385","normes","type-normes","status-publish","hentry","groupe-norme-astm-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASTM D8321 - Normalab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM D8321 - Normalab\" \/>\n<meta property=\"og:description\" content=\"Standard Practice for Development and Validation of Multivariate Analyses for Use in Predicting Properties of Petroleum Products, Liquid Fuels, and Lubricants based on Spectroscopic Measurements\" \/>\n<meta property=\"og:url\" content=\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/\" \/>\n<meta property=\"og:site_name\" content=\"Normalab\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-12T13:34:05+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/\",\"url\":\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/\",\"name\":\"ASTM D8321 - Normalab\",\"isPartOf\":{\"@id\":\"https:\/\/normalab.com\/en\/#website\"},\"datePublished\":\"2025-06-12T13:23:27+00:00\",\"dateModified\":\"2025-06-12T13:34:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/normalab.com\/en\/home\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ASTM\",\"item\":\"https:\/\/normalab.com\/en\/standards\/astm\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ASTM D8321\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/normalab.com\/en\/#website\",\"url\":\"https:\/\/normalab.com\/en\/\",\"name\":\"Normalab\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/normalab.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/normalab.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/normalab.com\/en\/#organization\",\"name\":\"Normalab\",\"url\":\"https:\/\/normalab.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/normalab.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/normalab.com\/wp-content\/uploads\/2025\/02\/logo-normalab.svg\",\"contentUrl\":\"https:\/\/normalab.com\/wp-content\/uploads\/2025\/02\/logo-normalab.svg\",\"width\":1002,\"height\":237,\"caption\":\"Normalab\"},\"image\":{\"@id\":\"https:\/\/normalab.com\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ASTM D8321 - Normalab","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/","og_locale":"en_US","og_type":"article","og_title":"ASTM D8321 - Normalab","og_description":"Standard Practice for Development and Validation of Multivariate Analyses for Use in Predicting Properties of Petroleum Products, Liquid Fuels, and Lubricants based on Spectroscopic Measurements","og_url":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/","og_site_name":"Normalab","article_modified_time":"2025-06-12T13:34:05+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/","url":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/","name":"ASTM D8321 - Normalab","isPartOf":{"@id":"https:\/\/normalab.com\/en\/#website"},"datePublished":"2025-06-12T13:23:27+00:00","dateModified":"2025-06-12T13:34:05+00:00","breadcrumb":{"@id":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/normalab.com\/en\/standards\/astm\/astm-d8321\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/normalab.com\/en\/home\/"},{"@type":"ListItem","position":2,"name":"ASTM","item":"https:\/\/normalab.com\/en\/standards\/astm\/"},{"@type":"ListItem","position":3,"name":"ASTM D8321"}]},{"@type":"WebSite","@id":"https:\/\/normalab.com\/en\/#website","url":"https:\/\/normalab.com\/en\/","name":"Normalab","description":"","publisher":{"@id":"https:\/\/normalab.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/normalab.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/normalab.com\/en\/#organization","name":"Normalab","url":"https:\/\/normalab.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/normalab.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/normalab.com\/wp-content\/uploads\/2025\/02\/logo-normalab.svg","contentUrl":"https:\/\/normalab.com\/wp-content\/uploads\/2025\/02\/logo-normalab.svg","width":1002,"height":237,"caption":"Normalab"},"image":{"@id":"https:\/\/normalab.com\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/normes\/4385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/normes"}],"about":[{"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/types\/normes"}],"author":[{"embeddable":true,"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/users\/1"}],"up":[{"embeddable":true,"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/normes\/3231"}],"wp:attachment":[{"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/media?parent=4385"}],"wp:term":[{"taxonomy":"groupe-norme","embeddable":true,"href":"https:\/\/normalab.com\/en\/wp-json\/wp\/v2\/groupe-norme?post=4385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}