Permethrin (cis & trans), 1,000 µg/mL
Supplier Page from Spex CertiPrep for Permethrin (cis & trans), 1,000 µg/mL
Ammonium (NH4+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
LiBr, 15mL solution, Ultra Pure Grade from Spex CertiPrep
Nitrite-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Silver, 1,000 µg/mL (1,000 ppm) for ICP-MS, 125 mL from Spex CertiPrep