EPA Method 526 Standard

Potassium Perfluoro-1-butanesulfonate, 1g

2,3,4,5-Tetrabromobenzoic acid, 1.2ml x 50ug/ml, methanol

Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 1mL, # of units-5, Cas.no. 2251-50-5