Acids Calibration Level 4 Back Catalog number: 94841 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3108.12-50-IO 2,2',4,4',5,5'-Hexabromobiphenyl,50 µg/mL,isooctane,1mL, Price on request 3264.18-K-IO Methyl 10-trans-heptadecenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 369657-02-3 Price on request 8799.12-100-IO 2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4 Price on request