{"public_id":"cl_9847a8852ba43642f997d35505f5673a","status":"active","superseded_by_public_id":null,"corpus_id":18055002,"text":"pH in the range 3.5 to 6.0 did not significantly influence removal results.","confidence":0.94,"paper":{"corpus_id":18055002,"title":"Preliminary Feasibility Study of Benzo(a)Pyrene Oxidative Degradation by Fenton Treatment","url":"https://sah.borca.ai/papers/18055002"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.94,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_2243072353ae80400707f0fec9f8132c","name":"pH","description":"A measure of acidity or alkalinity of the reaction medium.","types":["process parameter"],"url":"https://sah.borca.ai/concepts/co_2243072353ae80400707f0fec9f8132c"},{"public_id":"co_496a17a0159303df42212d23e913dc5e","name":"benzo(a)pyrene","description":"A polycyclic aromatic hydrocarbon pollutant studied here for oxidative degradation in water.","types":["pollutant"],"url":"https://sah.borca.ai/concepts/co_496a17a0159303df42212d23e913dc5e"},{"public_id":"co_7625e034fb8de69fb49ecdc893b69ca8","name":"removal efficiency","description":"The fraction or percentage of benzo(a)pyrene removed during treatment.","types":["outcome measure"],"url":"https://sah.borca.ai/concepts/co_7625e034fb8de69fb49ecdc893b69ca8"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_9847a8852ba43642f997d35505f5673a"}