Metribuzin, 100µg/ml in Acetonitrile, 5ml

Mixed Calibration Kit

Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL.

Sodium Butyrate (C3H7COOH)