L-(+)-Ascorbic acid, certified, 0.25g

2,2,4,6,6-Pentamethyl-3-heptene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 123-48-8

1,3,7,9-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

3-Pentanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 96-22-0