Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml

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

Pyriprole, 100 µg/ml, Acetonitrile, 1ml

d2 C27/C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3