PCB 28, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 680572 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2196.11-100-ME 1-Methyl-5-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91137-27-8 Price on request 675726 TEPP, 100 µg/ml, Ethyl acetate, 5ml Price on request 2526.9-100MG 4-Acetylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 586-89-0 Price on request