{"aspect_id":"AS135","aspect_name":"mass-ratio","aspect_reference":null,"aspect_symbol":null,"name":"mass-ratio gram per kilogram","scale_id":"SC1740","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None g.kg-1","unit_id":"UN1653","unit_name":"gram per kilogram","unit_reference":null,"unit_symbol":"g.kg-1"}