{"id":"S85130718","label":"Surface chemistry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85130718","normalized_label":"surface chemistry","broader":["http://id.loc.gov/authorities/subjects/sh85023027"],"aliases":["Chemistry, Surface","Interfaces, Chemistry of","Surface phenomena","Surfaces (Chemistry)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85130718","provider":"lcsh","revision":"7c29db6498455c52","taxonomy_revision":"f050b5d4780b1289","title":"Surface chemistry","url":"/topics/S85130718","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903183124723533380","address_version":"morton4x16-v1","coordinates":[0,20,19447,30720],"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}