{"public_id":"cl_960a0f5dab321f7646b38da81f7c092f","status":"active","superseded_by_public_id":null,"corpus_id":107543565,"text":"Graphene oxide was synthesized from graphite flakes using modified Hummer's method, partially reduced by chemical and thermal processes, and then sulfonated with sulfuric acid or aryl diazonium salt of sulfanilic acid to produce sulfonated reduced graphene oxide.","confidence":0.94,"paper":{"corpus_id":107543565,"title":"Comparative methods for reduction and sulfonation of graphene oxide for fuel cell electrode applications","url":"https://sah.borca.ai/papers/107543565"},"contributors":[{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous (b2adb6bfad)","roles":["extraction"],"url":"https://sah.borca.ai/u/b2adb6bfad"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.94,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","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_0a59f685acd45172546da74d35548b89","name":"graphene oxide","description":"An oxidized graphene-based material synthesized here from graphite flakes.","types":["material"],"url":"https://sah.borca.ai/concepts/co_0a59f685acd45172546da74d35548b89"},{"public_id":"co_2d1d520c53e1914c7cfa96ec56d0a313","name":"sulfonated reduced graphene oxide","description":"Reduced graphene oxide functionalized with sulfonic acid groups.","types":["functionalized material"],"url":"https://sah.borca.ai/concepts/co_2d1d520c53e1914c7cfa96ec56d0a313"},{"public_id":"co_60cb1ea5256a97f35cca9625059619c1","name":"modified Hummer's method","description":"The chemical synthesis route used to obtain graphene oxide from graphite flakes.","types":["synthesis method"],"url":"https://sah.borca.ai/concepts/co_60cb1ea5256a97f35cca9625059619c1"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_960a0f5dab321f7646b38da81f7c092f"}