Donepezil hydrochloride,1000 µg base/mL,MeOH,1mL,

Thiodicarb, 100 µg/ml, Acetonitrile, 5ml

Tetrabromophthalic anhydride, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-79-1

Turbidity Standard