Precision and Recovery Stock Solution, 1.2ml, nonane

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

2,3,7,8-Tetrachlorodibenzo-p-dioxin

Nitralin, 100 µg/ml, Acetonitrile, 1ml