1. Overview of CY80SI-AH+TA Reagent
CY80SI-AH+TA reagent is a dedicated chemical reagent kit for E+H online analyzers (such as COD, ammonia nitrogen, total phosphorus, etc.), used for quantitative analysis of specific components in water samples. This reagent usually contains multiple components and must be prepared according to specifications before use. Correct selection and maintenance are key to ensuring the measurement accuracy and stable operation of the analyzer.
2. Reagent Selection and Configuration
According to the analyzer model and measurement parameters, select the corresponding reagent kit. CY80SI-AH+TA reagent is usually used with E+H online COD analyzers, ammonia analyzers, total analyzers, etc.
2.1 Selection Points
- Instrument compatibility: Confirm that the reagent is compatible with E+H 80 series analyzers, such as E39-80H, etc.
- Measurement range: Select a reagent with an appropriate range according to the water sample concentration.
- Reagent components: Check whether the reagent kit contains all necessary components (such as RB, RK, RN, etc.).
2.2 Configuration Steps
Taking the preparation of reagent RB as an example, the steps are as follows:
- Open the brown reagent bottle.
- Use a powder funnel to completely pour component 1 into the brown reagent bottle containing component 2.
- Seal the bottle cap and shake the reagent bottle for several minutes until completely dissolved.
- According to the label instructions, transfer the prepared reagent into the 1000 ml bottled water sample reagent.
Note: When ordering multiple reagent kits, they must be stored separately to avoid mixing.
3. Application Scenarios
CY80SI-AH+TA reagent is widely used in the following scenarios:
- Environmental monitoring: Detection of COD, ammonia nitrogen, total phosphorus, and other indicators in surface water and wastewater.
- Industrial process control: Online water quality analysis in chemical, pharmaceutical, food, and other industries.
- Municipal wastewater treatment: Monitoring of influent and effluent water quality to optimize treatment processes.
4. Operating Precautions
4.1 Safety Protection
- Chemicals irritate the skin and eyes. During operation, goggles, protective gloves, and a laboratory coat must be worn.
- Avoid direct contact with chemicals and strictly follow the Safety Data Sheet (SDS).
- If accidental contact occurs, rinse immediately with plenty of water and seek medical attention promptly.
4.2 Reagent Handling
- Prepare the reagent directly before use and avoid mixing it in advance.
- The shelf life of dry powder reagent is 3 months, and the actual shelf life may be shortened due to environmental conditions.
- The reagent should be stored in a 4°C refrigerated environment, avoiding repeated freezing and thawing.
- Avoid light exposure to prevent decomposition of fluorescent dyes.
4.3 Preventing Cross-Contamination
- Operate each sample independently to avoid cross-contamination.
- Use clean utensils and containers.
5. Maintenance and Quality Control
5.1 Regular Inspection
- Check the reagent expiration date and shelf life to ensure use within the validity period.
- Observe the reagent condition. If abnormalities such as precipitation or discoloration occur, stop using it.
5.2 Quality Control
- Perform quality control tests regularly and refer to the quality control standards provided by the reagent manufacturer.
- Record quality control data to ensure stable reagent performance.
5.3 Waste Disposal
- Used reagents and waste liquid should be disposed of in accordance with laboratory waste disposal regulations.
- Avoid causing environmental pollution.
6. Common Problems and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Measurement value drift | Reagent expired or contaminated | Replace with new reagent and check storage conditions |
| High background staining | Inappropriate diluent | Choose an appropriate diluent (such as PBS) |
| Decreased sensitivity | Dye decomposition | Store away from light and avoid repeated freezing and thawing |
7. Summary
Correct selection, preparation, and maintenance of CY80SI-AH+TA reagent are the foundation for ensuring accurate measurement by online analyzers. Following safety regulations, paying attention to storage conditions, and conducting regular quality control can effectively extend reagent life and ensure the safety of laboratory personnel. For more information, please consult experts or refer to the product manual.
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