D6-Isoproturon, 100 µg/ml, Acetone, 1ml

Chloroparaffin C13 44.90% Cl, 10μg/mL in CY, 1ml

Phenol-Mix 1, 50µg/ml in MeOH, 10ml

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