WS Trace Elements #2 Back Catalog number: 55013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9485.20-50-AN 6-Chlorobenzo[a]pyrene Price on request A15989010ME-50 2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL in MeOH, 1ml Price on request 71090 Acifluorfen methyl derivative Price on request