Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended RPC-156AS 2,3,4,4,5-Pentachlorobiphenyl, BZ-123 31,89 € 2051.18-10K-DC 1-Chlorooctadecane, 10000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3386-33-2 Price on request RPC-021AS 2,2,5-Trichlorobiphenyl (BZ-18) 36,12 €