Phenyltin trichloride, 1000 µg/ml, Methanol, 5ml

CLP Semi-Volatile Acid Surrogate Standard, 2000µg/ml in MeOH, 1ml

MCPA, 100µg/ml in Acetonitrile, 1ml

N,N’-bis(1,4-Dimethylpentyl)-1,4-phenylenediamine