Internal Standard Spiking Solution, 1.2ml, nonane

Sodium DL-3-hydroxybutyrate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 150-83-4

2’,3,4-Tribromodiphenyl ether,100 µg/mL,isooctane,1mL,

D6-alpha-HCH, 100 µg/ml, Cyclohexane, 1ml