PSA-GCB-Mix 4 Back Catalog number: 674996 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4415-20-100PEX5 ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request 1960.12-50-IO 2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4 Price on request 14800-0160-50ME5 Trifluoromethanesulfonic acid, 50µg/ml in MeOH, 5ml Price on request