(-)-delta9-THC, 1000 µg/mL
Supplier Page from Spex CertiPrep for (-)-delta9-THC, 1000 µg/mL
Chlorite (ClO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm), 125 mL from Spex CertiPrep
LPC Standard with Mercury for AA & ICP, 500 mL from Spex CertiPrep
Nitrogen-Phosphorus Pesticides Mix D, 200 µg/mL from Spex CertiPrep
Organochlorine Pesticides Mix A, 200 µg/mL from Spex CertiPrep