Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 38148 (See Part # 38114) WP #2 Diesel Fuel as TPH Price on request 3721.6-K-IP 2,3-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57383-80-9 Price on request 94270 Volatile Standard Price on request