CALDUR® DEHA (diethylhydroxylamine) – Photometric
DEHA determination in boiler water by photometer (0.05-3 mg/l DEHA)
Private customers can also find our range in our partner store Ampha-Analyse.
Reagent for CALDUR® DEHA (diethylhydroxylamine) – Photometric:
See also:
CALDUR® DEHA Test Set – Photometric
What is DEHA measured for?
DEHA (diethylhydroxylamine, C₄H₁₁NO) is a widely used oxygen binding agent in steam boiler systems. It protects against corrosion caused by dissolved oxygen. The correct dosage is crucial for the protection of the system and the efficiency of operation.
Underdosing leads to insufficient corrosion protection, while overdosing causes unnecessary costs. The photometric determination enables a particularly precise measurement in the range up to 3 mg/l.
How does the test set work?
The CALDUR® DEHA test set is based on the Ferrozine method. DEHA reduces iron(III) to iron(II), which forms a violet complex with ferrozine. The color intensity is determined photometrically with the WINLAB Data Line Photometer.
Advantages of the CALDUR® test set
- Extended measuring range 0.05 – 3 mg/l DEHA
Larger range than the colorimetric variant
- 120 provisions per set
Economical for continuous use in power plants and heating systems
- High precision due to photometric evaluation
Objective measurement results for optimum DEHA dosing
- Ferrozine method
Specific and reliable
Areas of application
Carrying out the measurement:
- Take a boiler water sample and allow to cool to room temperature
- Fill water sample into round cuvette up to the mark
- Add reagent A and mix
- Add reagent B and mix
- Wait for 5 minutes reaction time
- Insert the cuvette into the WINLAB Data Line photometer and start the measurement
Important notes
- Allow sample to cool to room temperature before measuring
- Adhere exactly to the response time of 5 minutes
- Do not confuse DEHA and MEKO – different test sets required
- Requires WINLAB Data Line Photometer (sold separately)
Measuring range
| Property | Value |
|---|---|
| Measuring range | 0.05 – 3 mg/l DEHA |
| Resolution | 0.01 mg/l |
Number of possible destinations
With a CALDUR® Test Set DEHA Photometric you can carry out 120 measurements.
Specifications at a glance
| Property | Value |
|---|---|
| Parameters | DEHA (diethylhydroxylamine, C₄H₁₁NO) |
| Item number | 31-073302 |
| Method | Photometric (Ferrozine) |
| Measuring principle | Photometric measurement with WINLAB Data Line Photometer |
| Measuring range | 0.05 to 3 mg/l DEHA |
| Duration of analysis | 5 minutes |
| Number of provisions | 120 |
| Number of reagents | 2 |
| Packaging | Plastic bag |
Additional information
| Packaging | Plastic bag, Refill pack |
|---|---|
| Product category | Testset |
Flyer
Operating instructions
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