Nitrogen-Phosphorus Pesticides Mix D, 200 µg/mL
Supplier Page from Spex CertiPrep for Nitrogen-Phosphorus Pesticides Mix D, 200 µg/mL
AOAC Cannabis Pesticide Mix 5 from Spex CertiPrep
Gold, 100 µg/mL (100 ppm) for ICP-MS, 125 mL from Spex CertiPrep
Nitrite (NO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 500 mL from Spex CertiPrep
Silver, 1,000 µg/mL, for AA and ICP, 250 mL from Spex CertiPrep