pH 4.0 Standard @ 25°C, in water, 100ml

4,4’-Diamino-3,3’-dimethyldiphenylmethane

Methylcycloheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4126-78-7

Chromium (Cr)