Bis(2-ethylhexyl)phthalate, 1g

Oxytetracycline, 96%,1000 µg/mL,acetonitrile,1mL,

Salicylic acid (2-Hydroxybenzoic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 69-72-7

Acid Surrogate Standard