pH 9.0 Standard @ 25°C

Endosulfan sulfate, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1031-07-8

Acetaminophene (Paracetamol), neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 103-90-2

Phenkapton, 5mg