Potassium (K) Back Catalog number: 57719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2263.12-100-IO 2,2',5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-65-2 Price on request 52029 Spike Sample Standard 2A (Water) Price on request 52401 0.10M NaOH Standard Reagent Price on request