Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended C16284000 Ponceau 4RC (E124), certified, 0.1g Price on request 672904 Trifloxysulfuron sodium salt, 100mg Price on request 677494 D6-Metalaxyl-M, 100 µg/ml, Acetonitrile, 1ml Price on request