Perchlorate (ClO4)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Supplier Page from Spex CertiPrep for Perchlorate (ClO4)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Arsenic, 1,000 µg/mL, for AA and ICP, 500 mL from Spex CertiPrep
IC Instrument Ion Anion Check Standard 6, 125 mL from Spex CertiPrep
Interference Check Standard 18 with Mercury for AA & ICP, 125 mL from Spex CertiPrep
Nickel, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep