Description | The COD detection reagent is pre-packaged with the required concentration and quantity for each analysis. It is produced through a strict manufacturing process involving mixing, weighing, packaging, and pre-packaging into single-use portions. Different measurement ranges are available depending on the water sample. When water quality analysts conduct sample analysis, they can directly open the packaging and use the COD detection reagent according to the specified standard analysis procedures, without the need for tedious reagent preparation or the creation of standard calibration curves. |
Features |
Easy to operate, fast and accurate. The reagents are stable and easy to store. Suitable for a variety of water quality conditions. Available in two specifications: portable and laboratory. |
Instruction |
1. Take a certain volume of the water sample. 2. Add Reagent A and Reagent B to initiate the oxidation reaction. 3. Add Reagent C and observe the color change. 4. Use a spectrophotometer or other measuring devices to determine the absorbance or color change. 5. Calculate the COD value based on the standard curve. |
Application |
COD (Chemical Oxygen Demand) test reagent is a chemical reagent used to determine the oxidizable substances in water samples, commonly used in environmental monitoring and water quality analysis. The COD value can reflect the content of organic matter and certain inorganic substances in water, and is an important indicator for evaluating the degree of water pollution. It is suitable for the determination of chemical oxygen demand of water samples such as surface water, groundwater, wastewater and domestic sewage. |
Testing Principle | This product usually uses KMnO4 or potassium dichromate as an oxidant to oxidize organic matter in water samples under acidic conditions, and calculates the COD value by measuring the consumption of the oxidant. |
Product Composition | Including reagent A (oxidant), reagent B (catalyst), reagent C (indicator),etc. |
Remark |
Strictly follow the operating procedures during use. Avoid contact of the reagents with skin and eyes; appropriate protective equipment must be worn during handling. Used reagents and waste should be disposed of in accordance with local environmental regulations. |
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