QC Standard 2 Back Catalog number: 56085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-11197U1-1ML BHC (epsilon isomer), 100ug/ml in Toluene, 1ml Price on request 56031 Gallium (Ga) Price on request 11747.12-100-IO 2,2',3,4',6,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request