Potassium (K) Back Catalog number: 56119 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19207 Semi-Volatiles Spiking Standard Price on request 8399.4-100-AN Desphenyl chloridazon-15N2, 100µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 680514 Baquiloprim, 100 µg/ml, Methanol, 1ml Price on request