{"id":"S2002004450","label":"Tantalum oxides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002004450","normalized_label":"tantalum oxides","broader":["http://id.loc.gov/authorities/subjects/sh2012003135","http://id.loc.gov/authorities/subjects/sh85112272","http://id.loc.gov/authorities/subjects/sh89002253"],"aliases":["Tantalic acid anhydride","Tantalum dioxide","Tantalum oxide","Tantalum pentoxide"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002004450","provider":"lcsh","revision":"641a86cd7281602c","taxonomy_revision":"f050b5d4780b1289","title":"Tantalum oxides","url":"/topics/S2002004450","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9512869060640122438","address_version":"morton4x16-v1","coordinates":[0,477,20647,34816],"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}