HACH Sulfite 3 Reagent, 100 mL MDB PN.70532

For sulfite determination by drop-count iodometric titration. 100 mL Marked Dropping Bottle. For use with the Sulfite Test Kit, Model SU-5 (item #148002), the Boiler Treatment Control Test Kit, Model BTC-2 (item #2350400), and the Complete Boiler and Cooling Water Test Kit, Model BC-3 (item # 2350500).