Sulfide ISA, 500 mL

SAOB Sulfide Antioxidant Buffer, Ion Selective Electrode, Range (107, 900 to 0.11 ppm), Features Formulated to provide a constant ionic strength in sample and standards alike thus permitting concentration rather than activity measurements to be made. In some cases ISA's adjust pH and eliminate matrix effects., Container 500mL, 1 Pkg (2 Components)