EPA test methods and our detection limits for bromate analysis


EPA method    Injection volume μL  Detection limit (μg/L)
      Ultrapure water Drinking water*
Conductivity detection with chemical suppression 300.1 100 0.130 0.390
IC/MS coupling; MS detection 100 0.006 0.007
Post-column derivatization with o-dianisidine; VIS detection 317.0 100 0.210 0.640
Post-column derivatization with KI; UV detection 326.0 1000 0.032 0.066

*Drinking water matrix: 100 mg/L of each chloride, sulfate, and carbonate