{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"claim","urn":"smellbook:claim:phenols-in-fireplace-smoke-depend-on-the-wood","key":"phenols-in-fireplace-smoke-depend-on-the-wood","label":"Phenols in fireplace smoke depend on the wood","description":"Burned in a residential fireplace, pine wood emitted significant quantities of guaiacol and related guaiacols together with resin acids, while oak and eucalyptus emitted large amounts of syringol and related syringols, which were not detected in the smoke of pine.","scope":"Emission measurements for three firewood types burned in a residential fireplace; it reports compounds, not odour.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/phenols-in-fireplace-smoke-depend-on-the-wood","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:fireplace-wood-combustion-emissions-2001","entityLabel":"Measurement of Emissions from Air Pollution Sources. 3. C 1–C 29 Organic Compounds from Fireplace Combustion of Wood","record":"/data/graph/source/fireplace-wood-combustion-emissions-2001.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-FIREPLACE-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:fireplace","entityLabel":"Fireplace","record":"/data/graph/smell/fireplace.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-FIREPLACE-001].smellSlugs","evidenceClass":"editorial"}]}],"incoming":[],"corrections":[],"citation":null,"boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}