{"aspect_id":"AS2","aspect_name":"mass","aspect_reference":"https://si-digital-framework.org/quantities/MASS","aspect_symbol":null,"name":"mass ton, assay","scale_id":"SC1153","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN1194","unit_name":"ton, assay","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#T","unit_symbol":"AT"}