pH 4.0 Standard @ 25°C

1,2,3-Trioleoylglycerol, Stock solution, 5000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 122-32-7

Bromuconazole, 1000μg/ml in MeOH, 1ml

ISO 18857-1 4-n-Nonylphenol solution, Calibration standard