D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml

pH 7.0 Standard @ 25°C, in water, 100ml

2,2,4,4,5,5,7,7-Octamethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5171-85-7

Sodium ethyl sulfate, 100mg