3,3´-Dimethoxybenzidine, certified, 0.1g

2-(4-Nonylphenoxy)acetic acid isomer mixture,10 µg/mL,isooctane,1mL,

S-4393-1 B[a]P/HCB Calibration Standard 2 (solvent : n- Nonane) Product S-4393-1 S-4393-2 S-4393-3 S-4393-4 S-4393-5 1356,6 Hexachlorobenzene 0,01 µg/mL 0,05 0,1

beta-Cypermethrin, 10.0 µg/ml, Ethyl acetate, 10