Barium, 10,000 µg/mL, for AA and ICP, 500 mL
Supplier Page from Spex CertiPrep for Barium, 10,000 µg/mL, for AA and ICP, 500 mL
Formate (HCO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Nitrite (NO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 500 mL from Spex CertiPrep
Phosphate-Phosphorus Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 500 mL from Spex CertiPrep
Potassium, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep