Calibration Standard Mix 3 Back Catalog number: 53035 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38195 WS Formaldehyde Price on request 3796.18-K-IO Tonalide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21145-77-7 Price on request 3619.12-100-IO 2,4,6-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35693-92-6 Price on request