{"metadata":{"queryDate":"16 July 2026","version":"2.0 Beta"},"data":{"kcdbCode":"SIM-QM-MX-000002BM-1","status":"Published","publicationDate":"2013-03-27","approvalDate":"2013-03-27","kcdbServiceCategory":"QM-2.1","uncertaintyConvention":"One","categoryValue":"Inorganic solutions","subCategoryValue":"Elemental","analyteMatrix":"HNO3 in aqueous solution","analyteValue":"copper","crm":{"lowerLimit":999.1,"upperLimit":999.1,"unit":"mg/L"},"crmUncertainty":{"lowerLimit":0.2,"upperLimit":0.6,"unit":"%"},"mechanism":"DMR 17, CAL-620-51","crmConfidenceLevel":95.0,"crmCoverageFactor":2.0,"crmUncertaintyEquation":{"equation":"","equationComment":""},"crmUncertaintyTable":{"tableName":"","tableRows":0,"tableCols":0,"tableComment":"","tableContents":"<masked>"},"crmUncertaintyMode":"Relative","id":3010,"statusDate":"2013-03-27","domainCode":"CHEM-BIO","metrologyAreaLabel":"QM","rmo":"SIM","countryValue":"Mexico","nmiCode":"CENAM","nmiName":"Centro Nacional de Metrologia","nmiServiceCode":"620-Q014-001","nmiRorIdentifier":"05v1qt749","nmiWikiDataIdentifier":"Q5761429","nmiIdentifiers":[{"identifier":"05v1qt749","scheme":"ROR"},{"identifier":"Q5761429","scheme":"WIKIDATA"}],"quantityValue":"Mass concentration","cmc":{"lowerLimit":950.0,"upperLimit":1050.0,"unit":"mg/L"},"cmcUncertainty":{"lowerLimit":0.15,"upperLimit":0.5,"unit":"%"},"confidenceLevel":95.0,"coverageFactor":2.78,"uncertaintyEquation":{"equation":"","equationComment":""},"uncertaintyTable":{"tableName":"","tableRows":0,"tableCols":0,"tableComment":"","tableContents":"<masked>"},"uncertaintyMode":"Relative","comments":""}}