CHLOROPHOSPHONAZO REAGENT SOLUTION PILLOWS FOR ULR HARDNESS, 100/PACK
Manufacturer: Hach Company
For ultra low range hardness determination by the Chlorophosphonazo method.Hach Method 8374. Range: 4 - 1000 ug/L Ca & Mg as CaCO3. Chlorophosphonazo solution reagent packaged in solution pillows. Requires CDTA Reagent, Cat. No. 2589636.