{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["006:55"], "contactPoint": {"fn": "Steven J. Choquette", "hasEmail": "mailto:srms@nist.gov"}, "description": "SRM 972a Vitamin D Metabolites in Frozen Human Serum  - This Standard Reference Material (SRM) is intended for use as an accuracy control in the critical evaluation of methods for determining the amount-of-substance concentration of vitamin D metabolites in human serum. This SRM can also be used as a quality assurance tool for assigning values to in-house control materials for these constituents. This data is public in the Certificate of Analysis for this material.", "identifier": "4765EE7CC60CA396E0531A57068160031745", "keyword": ["24R", "25-dihydroxyvitamin D3", "25-hydroxyvitamin D2", "25-hydroxyvitamin D3", "3-epi-25-hydroxyvitamin D3", "Biosciences and Health", "Certified Values", "Frozen Human Serum", "Reference Values", "SRM", "SRM 972a", "Standard Reference Material", "Vitamin D Metabolites"], "landingPage": "https://www-s.nist.gov/srmors/view_detail.cfm?srm=972a", "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2017-01-05 00:00:00", "programCode": ["006:052"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "theme": ["Standards:Reference materials"], "title": "SRM 972a Vitamin D Metabolites in Frozen Human Serum"}