{"id":"S85067803","label":"Ion-permeable membranes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85067803","normalized_label":"ion-permeable membranes","broader":["http://id.loc.gov/authorities/subjects/sh85067796","http://id.loc.gov/authorities/subjects/sh85083476"],"aliases":["Ion exchange membranes","Permeable membranes (Electrodialysis)","Permselective membranes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85067803","provider":"lcsh","revision":"03bb92ca3b5a71f7","taxonomy_revision":"f050b5d4780b1289","title":"Ion-permeable membranes","url":"/topics/S85067803","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900939827803980288","address_version":"morton4x16-v1","coordinates":[0,20,18464,27648],"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}