Paraben-Mix 1, 100 µg/ml, Methanol, 5ml

Demeton-O, 100 µg/ml, Ethyl acetate, 1ml

n-Undecanaldehyde-DNPH, 100µg/ml in Acetonitrile, 5ml

Ethanol standard in water,2.0g/L,water, 1.5mL