PSA-C18-Mix 4

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

n-Butyl acetate, 10000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 123-86-4

2-Acetylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.