Arsenic, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL
Supplier Page from Spex CertiPrep for Arsenic, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL
ICP-MS Quality Control Standard 21, 100 µg/mL (100 ppm), 125 mL from Spex CertiPrep
Nitrate-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Organochlorine Pesticides Mix, 2,000 µg/mL from Spex CertiPrep
Potassium, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep