EPA Method 8260B Purgeable Internal Standard

rac 3,4-Dihydroxymandelic Acid, 500mg

2,​2,​3,​3,​3-​Pentafluoropropanoic Acid-13C, 10mg

2,6-Di-tert-butyl-4-ethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4130-42-1