2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

Calibration Standard Mix 4

pH 6.0 Standard @ 25°C

1,5-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-61-9