Prallethrin (mix of isomers), 1,000 µg/mL
Supplier Page from Spex CertiPrep for Prallethrin (mix of isomers), 1,000 µg/mL
0.5 M Sodium Carbonate (Na2CO3) Eluent Concentrate, 0.5 M, 125 mL from Spex CertiPrep
Arsenic, 1,000 µg/mL, for AA and ICP, 500 mL from Spex CertiPrep
Barium, 10,000 µg/mL, for AA and ICP, 500 mL from Spex CertiPrep
Nitrate-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 500 mL from Spex CertiPrep