pH 4.0 Standard @ 25°C

Apomorphine hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

2-[(3,4,4,5,5,6,6,7,7,8,8,8-Dodecafluorooctyl)dimethylammonio]acetate, 1.2ml x 50ug/ml, methanol

2-Furaldehyde (DNPH derivative), 100mg