ISO 18857-1 4-n-Nonylphenol solution, Calibration standard

2,4-D, 10.0 µg/ml, Acetonitrile, 10ml

Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 %

Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml