Iron (II) Reagents (100 tests) – HI96776-01

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Iron (II) Reagents (100 tests) – HI96776-01


The HI96776-01 are reagents for the colorimetric determination of Iron (II). There are enough reagents for 100 tests to be used with Hanna’s compatible photometers. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.

Pre-made reagents for ease of use

Prepared with high purity chemicals

Marked with expiration date and lot number for traceability


 Surface water typically contains up to 0.7 mg/L of iron. Drinking water typically contains up to 0.3 mg/L of iron, but this level may increase significantly if plumbing fixtures contain iron. In well-oxygenated, non-acidic waters, iron exists mainly in the ferric form (Fe3+) and will precipitate as iron oxide hydroxide (FeO(OH)). However, anoxic water may have high levels of dissolved ferrous iron (Fe2+), which could precipitate in heating/cooling systems or other equipment after exposure to air. The Iron (II) method measures the ferrous (Fe2+) form of iron.


The HI96770-03 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate colorimetric measurements. These reagents use an adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method. In aqueous solution, reactive ferrous iron (Fe2+) reacts with 1,10-phenanthroline to form an orange-red complex.

Package packets
Quantity 100 tests
Method adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method