Potassium (K) Back Catalog number: 54158 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 71279 Esfenvalerate, 1000µg/ml in MeOH, 1ml Price on request P991736 Pyridoxine-d3 Hydrochloride, 1mg Price on request S-4373-K-IPX5 EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB Price on request