Isofenphos-methyl, 50mg

Spiking Solution #1

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59660-24-1

Alachlor OA, 100 µg/ml, Acetonitrile, 1ml