Potassium, 10,000 µg/mL, for AA and ICP, 500 mL
Supplier Page from Spex CertiPrep for Potassium, 10,000 µg/mL, for AA and ICP, 500 mL
Kerosene Blank, 1 Gallon from Spex CertiPrep
Magnesium, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep
Organochlorine Pesticides Mix B, 200 µg/mL from Spex CertiPrep
Zinc, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep