Internal & Surrogate Standard

1-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m

Ibuprofen, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15687-27-1

Tris(3-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene