{"aspect_id":"AS41","aspect_name":"volumetric-mass-density","aspect_reference":"https://si-digital-framework.org/quantities/DENS","aspect_symbol":null,"name":"volumetric-mass-density milligram per litre","scale_id":"SC1182","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN1224","unit_name":"milligram per litre","unit_reference":"https://si-digital-framework.org/SI/units/milligram.litre-1","unit_symbol":"mg.l-1"}