Prallethrin (mix of isomers), 1,000 µg/mL
Supplier Page from Spex CertiPrep for Prallethrin (mix of isomers), 1,000 µg/mL
Arsenic, 1,000 µg/mL, for AA and ICP, 125 mL from Spex CertiPrep
LiT/LiM/LiBr 65.75%/33.75%/0.50% Pure Grade from Spex CertiPrep
Organochlorine Pesticides Mix A, 200 µg/mL from Spex CertiPrep
pH 6 Certified Buffer Standard, 6 SI Units, 500 mL from Spex CertiPrep