{"id":"S85068677","label":"Isotope dilution analysis","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85068677","normalized_label":"isotope dilution analysis","broader":["http://id.loc.gov/authorities/subjects/sh85110672","http://id.loc.gov/authorities/subjects/sh85110713"],"aliases":["Isotopic dilution analysis"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85068677","provider":"lcsh","revision":"1b6f328c941cc672","taxonomy_revision":"f050b5d4780b1289","title":"Isotope dilution analysis","url":"/topics/S85068677","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290561340806940224","address_version":"morton4x16-v1","coordinates":[0,20,18478,5120],"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}