{"id":"S87004532","label":"Field-flow fractionation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87004532","normalized_label":"field-flow fractionation","broader":["http://id.loc.gov/authorities/subjects/sh85077354"],"aliases":["FFF (Chromatographic analysis)","Fractionation, Field-flow"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87004532","provider":"lcsh","revision":"2e3b3ba95af14846","taxonomy_revision":"f050b5d4780b1289","title":"Field-flow fractionation","url":"/topics/S87004532","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14432985947551696388","address_version":"morton4x16-v1","coordinates":[0,20,48725,53248],"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}