{"aspect_id":"AS245","aspect_name":"absorptance","aspect_reference":null,"aspect_symbol":"\\alpha","name":"absorptance parts per billion","scale_id":"SC1593","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"\\alpha ppb","unit_id":"UN1509","unit_name":"parts per billion","unit_reference":null,"unit_symbol":"ppb"}