ICP Interference Standard Mix 1

beta-Estradiol hemihydrate, 100 µg/ml, Methanol,

Naltrexone hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 16676-29-2

Methyl methacrylate,1000 µg/mL,MeOH,1mL,