Specifications HI96778-25 (Total Iron) HI96786-25 (Iron) Range 0.00 to 7.00 mg/L (as Fe) 0.00 to 6.00 mg/L (as Fe) Resolution 0.01 mg/L 0.01 mg/L Accuracy ±0.20 mg/L or± 3% of reading, whichever is greater ±0.10 mg/L or ±3% of reading at 25°C Wavelength 525 nm 525 nm Cuvette Type 13 mm diameter 13 mm diameter Method Adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method Adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method Method ID #090 #096 # of Vials 25 25 HI96778-25 • HI96786-25 Iron & Total Iron Pre-dosed Reagent Set 13 mm Vial HI96778-25 (Total Iron) and HI96786-25 (Iron) are kits of pre-dosed reagents in vials for the determination of Iron. These vials for 25 tests are used with Hanna’s HI801 and HI802 spectrophotometers. The high-quality reagents are manufactured in our state-ofthe-art facility and are clearly marked with lot number and expiration date for traceability. The method is compliant with ISO 6332 and assures high accuracy (±0.20 mg/L). HI96786-25 (Iron) does not require digestion of the sample, while digestion is necessary for the Total Iron procedure with HI96778-25 (30 minutes at 105°C). For samples that contain complexed or chelated iron or suspended iron, such as typical wastewater samples, digestion of the sample is required to allow all of the iron to react with the reagent. The procedure involves the addition of a very representative sample volume (8 mL for Total Iron, 5 mL for Iron) and the use of 13 mm cuvettes (internal diameter). These vials features a longer optical path than many other vials on the market to ensure accurate absorbance measurements and greater repeatability of results. Signicance and Use Iron is an abundant, naturally-occurring element found in soils, streams, surface waters and groundwater. High levels of iron in drinking water can cause objectionable taste and can stain plumbing and laundry. In natural waters, elevated iron levels can aect the aquatic ecosystems. For industrial processes, iron content impacts equipment e´ciency and product quality. In wastewater, iron measurement aids in treatment optimization and regulatory compliance. Total iron analysis reveals both dissolved and suspended forms, providing crucial insights into water chemistry and potential contamination sources. Regular monitoring ensures water safety, process e´ciency, and environmental protection. Iron in drinking water and wastewater is regulated by the EPA and other regulatory bodies. Application Surface water, drinking water, groundwater, process control, wastewater, pool water Method The method used is an Adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500Fe B, Phenanthroline Method: this method is compliant with ISO 6332. 5 Reasons to Choose Hanna 1. ±0.20 mg/L accuracy 2. Very representative sample: 8 mL 3. Adaptation of the Phenantroline method, from Standard Method for the examination of Water and Wastewater, 22 ed. 4. Ideal for surface water, drinking water, groundwater, wastewater, and process control 5. The method follows ISO 6332 Procedure guides on inside lid 11 COD and Vials 11.27 www.hannainst.com | Pre-dosed Reagents
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