Copper - 20 PPM

Benzene and Toluene Calibration Blends Set

2,3,4,4',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane