WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Acephate, 100 µg/ml, Ethyl acetate, 5ml

Phenols Standard

Citalopram hydrobromide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59729-32-7