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Chlorophosphonazo Indicator Solution for ULR Hardness, 500 mL

Product #: 2589549
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The Chlorophosphonazo method enables ultra low range measurement of calcium and magnesium hardness without the need for costly AA or ICP instrumentation. It is well suited for applications such as high pressure boiler feedwater, RO permeate, demineralizer trains, and ultrapure water systems.

Hach Method 8374. Range: 4 - 1000 ug/L Ca & Mg as CaCO₃ ( DOC316.53.01045) with the pour-thru cell (Cat. No. 5940400). 250 tests. Requires CDTA Reagent, Cat. No. 2589723.

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