10M Sodium Hydroxide (NaOH) Ionic Strength Adjustment Buffer, 10 M, 500 mL
Supplier Page from Spex CertiPrep for 10M Sodium Hydroxide (NaOH) Ionic Strength Adjustment Buffer, 10 M, 500 mL
Ammonium (NH4+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
Fluoride (F)- Single-Element Ion Anion Standard, 100 µg/mL (100 ppm), 125 mL from Spex CertiPrep
Organochlorine Pesticides Mix A, 200 µg/mL from Spex CertiPrep
Prallethrin (mix of isomers), 1,000 µg/mL from Spex CertiPrep