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

n-Butylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-93-9

Pentachlorophenol, 5000µg/ml in MeOH, 1ml

Metribuzin-diketo, 5mg