microtest Iron PHE

A$72.60

Colorimetric Test for Iron

0.2 – 8 mg/L Fe2+/Fe3+

Availability: Backorder
SKU
AQ656000
Contents Reagent A, 15 mL
Reagent B, 15 mL
Cuvette, 4 mL
Colour chart
Instruction
Analytical Method 1,10-Phenanthroline: In the pH range 2.9 – 3.5 ferrous iron (Fe2+) forms an orange-red complex with 1,10-phenanthroline. The intensity of its colour is related to the iron concentration. Ferric iron (Fe3+) is reduced to Fe2+ prior to the measurement.
Number of Tests 80
Interferences The test is suitable for freshwater and seawater. Interferences are caused by cyanide, nitrite, chromium, zinc (>10 mg/L), cobalt, copper (>5 mg/L) and nickel (>2 mg/L). Only dissolved iron will be determined.
Measuring Range The standard measuring range is 0.2 – 8 mg/L. The colour comparator has 6 colour fields: 0.2–0.5–1–2–4–8 mg/L. For higher iron concentrations, the sample has to be diluted. A 1:4 sample dilution can be carried out easily, thus extending the measuring range to 32 mg/L.
Shelf Life 2 years
Applications Determination of iron in ground waters (bore water); monitoring of steel corrosion in industrial water treatment.
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