{"aspect_id":"AS41","aspect_name":"volumetric-mass-density","aspect_reference":null,"aspect_symbol":"\\rho","name":"volumetric-mass-density ounce (avoirdupois) per gallon (U.S.)","scale_id":"SC839","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"\\rho oz.gal-1","unit_id":"UN178","unit_name":"ounce (avoirdupois) per gallon (U.S.)","unit_reference":null,"unit_symbol":"oz.gal-1"}