PSA-Mix 4 Back Catalog number: 674787 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19297 a,a,a-Trifluorotoluene, 20mg/ml in MeOH, 1ml Price on request 98239 VOC Standard Price on request 2007.12-100-IO 3,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-50-4 Price on request