pH 4.0 Standard @ 25°C

Bis(4-isopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

Diuron, 100μg/ml in MeOH, 1ml

1,2-Pentandiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 5343-92-0