HI96791-25 Ammonia Low Range ISO Pre-dosed Reagent Set 13 mm Vial HI96791-25 is a kit of pre-dosed reagents in vials for the determination of Low Range Ammonia. There are vials for 25 tests to be used with Hanna’s HI801 and HI802 spectrophotometers. These 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 used is Indophenol Blue, which complies with ISO 23695 standards and ensures very precise results, especially for low ammonia values. The procedure involves the addition of a very representative sample volume (6 mL) and the use of 13 mm (internal diameter) cuvettes, with a longer optical path than many other vials on the market. This ensures accurate absorbance measurements and greater repeatability of results. HI96791-25 can be stored at room temperature, avoiding the inconvenience of having to store them in the refrigerator. In addition, the reagents have a two year shelf life. These characteristics make HI96791-25 ideal for various applications: analysis of low ammonia values, drinking water and biological purication plants. Signicance and Use Ammonia analysis is crucial for evaluate water quality and environmental impact. In natural waters, elevated ammonia levels can indicate organic pollution and pose risks to aquatic life. In wastewater, ammonia measurement helps evaluate treatment e´ciency and ensures regulatory compliance. Regular monitoring is essential for maintaining ecological balance, optimizing treatment processes, and protecting public health. Application Ammonium ions and dissolved ammonia in groundwater and surface water, drinking water, wastewater, swimming water. Method Ammonium ions (NHÃ+) are determined by the Indophenol Blue method, compliant with the ISO 23695 standard. The sample is read at a wavelength of 690 nm. Specifications HI96791-25 Range 0.000 to 2.500 mg/L (as NHÃ + ) Resolution 0.001 mg/L Accuracy ±0.015 mg/L ± 3% of reading at 25 °C Wavelength 690 nm Cuvette type 13 mm diameter Method ISO 23695 Method ID #101 (HI801/HI802 iris) # of Vials 25 Procedure guides on inside lid 10 Reasons to Choose Hanna 1. Indophenol Blue, compliant with ISO 23695 2. Storage at room temperature (up to 20/25°C) 3. Representative sample: 6ml 4. Ideal for drinking water and/or with low and ultra-low ammonia content 5. Long shelf life: 2 years 6. Hanna's 13 mm vials allow a longer optical path than other types of vials and this means more reliable absorbance measurements and more precise results. 7. Provided with Certificate of Analysis: Each pack of reagents is accompanied by a Hanna quality certificate. 8. Space-saving packaging with procedure guide on inside lid 9. Safe and economical 10. Hanna reagents are safe for the operator and the environment. In fact, vials and caps have been designed to avoid accidental spills. Thanks to the reagents in pre-measured vials, the amount of chemicals used is reduced to a minimum. 11 COD and Vials 11.24 | www.hannainst.com Pre-dosed Reagents
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