Ammonia-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Supplier Page from Spex CertiPrep for Ammonia-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Chloride (Cl)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Lead, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep
Nitrate (NO3)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Sodium (Na+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep