Potassium Sulfate Back Catalog number: 50041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15201000 Metronidazole, certified, 0.25g Price on request 10088.15-50-8G Myticus edulis, homogenized (Domoic acid), 49µg/g, Solvent-hom. Mussel, Unit 8g, # of units-1, Cas.no. Price on request S-4373-K-IP 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