ICP Mix #2 Back Catalog number: 50148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70192 Heptachlor Price on request 11684.12-100-IO 2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request RPC-138AS 2,4,4,5-Tetrachlorobiphenyl (BZ-74) 38,75 €