Additional Internal Standard Solution, 1.2ml, toluene

O,O-Diethylhydrogenphosphate-13C2, sodium salt

2-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7469-77-4

2-Anilino-6-(dibutylamino)-3-methylfluoran, >99%, 100mg