PCB No. 81, 10µg/ml in Isooctane, 10ml Back Catalog number: L20008100IO Availability: In the manufacturer's stock Price on request - + Recommended 59137 Metals Mix #2 Price on request 79397 Caffeine Price on request S-4415-20-5PE 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