LabSys AdvanceOne™ RADIOIMMUNOASSAY (RIA) VIALS  
Labsys Ria Vials are polypropylene / polystyrene tubes generally used in Radioimmuno Assay–a scientific method used to test antigens (for sample, hormone levels in the blood) without the need to use a bioassay. The PP tubes can accept common acids, alkalies & solvents at room temperature while the PS tubes can accept mild bases, weak acids but not organic solvents. Labsys Ria Vials PP are autoclaveable, while PS tubes are non-autoclave.