4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

[bc,ef,hi,kl,no,qr]-Hexabenzocoronene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 190-24-9

Trichloroacetic acid (TCA), 100µg/ml in MTBE, 5ml

Individual Calibration Solutions, 500ul, nonane