Matrix Spiking Solution, 1.2ml, nonane

Sodium DL-3-hydroxybutyrate-3,4,4,4-d4

Butylphenyl methylpropional, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80-54-6

ISO 15753 Alternatively: Standard solution of 16 EPA-PAHs may be used, but this mixture also contain acenaphtylene S-4470-100-T EPA (=S-4063-100-T) 100µg each/mL in toluene; unit: 1x1mL