NITRATE REAGENT POWDER PILLOW 10MLS, P/100

Nitrate reagent powder pillows are used for accurate measurement of nitrate (NO₃⁻) concentrations in water using colorimetric methods. Each pillow contains a pre-measured amount of reagent for testing 10 mL water samples, ensuring consistent results when used with portable or benchtop colorimeters, especially Hach and compatible meters.