Tetrapentyltin Internal Standard

Omeprazole, 1000µg/ml in MeOH, 1ml

2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml

2,2',3,4,4',5-Hexachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 35694-06-5