Custom Mix Back Catalog number: 50740 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59889 ICP Mix Price on request 11690.12-100-IO 2,2',4,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 2821.7-50-ME n-Perfluoroheptanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-85-9 Price on request