Potassium (K+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL
Supplier Page from Spex CertiPrep for Potassium (K+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm), 125 mL
10M Sodium Hydroxide (NaOH) Ionic Strength Adjustment Buffer, 10 M, 500 mL from Spex CertiPrep
AOAC Cannabis Pesticide Mix 2 from Spex CertiPrep
Indium, 10 µg/mL (10 ppm) for ICP-MS, 125 mL from Spex CertiPrep
Phosphate-Phosphorus Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 500 mL from Spex CertiPrep