{"id":"S2007003319","label":"Nickel sulfate","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007003319","normalized_label":"nickel sulfate","broader":["http://id.loc.gov/authorities/subjects/sh85091787","http://id.loc.gov/authorities/subjects/sh85130337"],"aliases":["Nickel sulphate"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007003319","provider":"lcsh","revision":"af2a2da6bf5b3c1a","taxonomy_revision":"f050b5d4780b1289","title":"Nickel sulfate","url":"/topics/S2007003319","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14413920168461869664","address_version":"morton4x16-v1","coordinates":[0,478,33218,56320],"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}