Hydrogen peroxide (H₂O₂) is widely used across industries in Singapore, from swimming pool sanitation and water treatment to food processing and textile bleaching. Measuring its concentration accurately is important for safety, regulatory compliance and product quality. At Hanna Instruments Singapore, we carry a range of H₂O₂ test kits designed for both low-range and high-range measurements, giving you reliable results whether you are monitoring pool water or industrial processes.
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H₂O₂ breaks down quickly into water and oxygen, which makes real-time concentration monitoring necessary for any application that relies on it as a disinfectant or oxidiser. Too little means inadequate sanitation. Too much can damage equipment, irritate skin or leave unwanted residues in treated water. Regular testing helps you maintain the right concentration for your specific process.
Common applications that require H₂O₂ testing include:
Hanna offers two dedicated hydrogen peroxide test kits, each suited to different testing needs. The table below provides a side-by-side comparison to help you pick the right one.
| Feature | HI3844 | HI38444 |
| Best For | General water testing | Swimming pools and spas |
| Low Range | 0.00 to 2.00 mg/L | 0.00 to 2.00 ppm |
| High Range | 0.0 to 10.0 mg/L | 0 to 10 ppm |
| Method | Titration (iodometric) | Titration (iodometric) |
| Tests Included | ~100 tests | ~100 tests |
| Replacement Reagents | HI3844-100 | Included with kit |
Both kits use an iodometric titration method that is not affected by stabilisers commonly found in commercial hydrogen peroxide solutions. This gives you accurate readings even when testing treated or formulated products.
The testing process is straightforward. Hydrogen peroxide in your sample reacts with iodide in an acid solution. After a 15-minute reaction period, a thiosulfate titrant is added drop by drop until a colour change signals the endpoint. The number of drops used corresponds directly to the H₂O₂ concentration in your sample. No electronic meter or power source is needed, making these kits practical for both lab and field use.
If you are unsure which hydrogen peroxide test kit fits your application, our team in Singapore is ready to help. Contact us at (65) 6296-7118 or browse our full range of chemical test kits for other water quality parameters.
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