{"id":"S85053278","label":"Gas chromatography","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053278","normalized_label":"gas chromatography","broader":["http://id.loc.gov/authorities/subjects/sh85025334"],"aliases":["GLC (Chromatographic analysis)","Gas-liquid chromatography","Vapor-phase chromatography"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053278","provider":"lcsh","revision":"d663b4df7186eafc","taxonomy_revision":"f050b5d4780b1289","title":"Gas chromatography","url":"/topics/S85053278","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903117152885032452","address_version":"morton4x16-v1","coordinates":[0,20,18237,30720],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}