{"aspect_id":"AS18","aspect_name":"amount-of-heat","aspect_reference":"https://si-digital-framework.org/quantities/HEQT","aspect_symbol":null,"name":"amount-of-heat British thermal unit (39 \u00b0F)","scale_id":"SC933","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN974","unit_name":"British thermal unit (39 \u00b0F)","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#B","unit_symbol":"Btu"}