Ammonium (NH4+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Supplier Page from Spex CertiPrep for Ammonium (NH4+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Lithium Metaborate, Ultra Pure Grade from Spex CertiPrep
Mercury, 1 µg/mL (1 ppm) for ICP-MS, 125 mL from Spex CertiPrep
Silver, 1,000 µg/mL, for AA and ICP, 125 mL from Spex CertiPrep
Sodium (Na+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep