Multi-Element Internal Std., 10ug/ml, 4x25ml Back Catalog number: 52319 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1990.12-50-IO 2,4,4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-63-7 Price on request 11413.19-K-ME Dosulepin,1000 µg/mL,MeOH,1mL, Price on request 9826.X-K-IOX10 Chlorinated paraffins (Cl:40%), technical mix,1000 µg/mL,isooctane,1mL Price on request