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Hach Dpd Free Chlorine Reagent Powder Pillows, 10mL
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For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Method 8021.
Range: 0.02 - 2.00 mg/L Cl₂.
Sample Size: 10 mL
Specifications:
| Application | Water Quality Analysis | ||
| Storage Temperature | Room Temperature | ||
| Product Type | Environment Test Reagent | Forms | Powder |
| Product Brand | Hach | ||
| Product Grade | Analytical grade | ||
The DPD Free Chlorine Reagent Powder Pillows are designed for accurate and rapid determination of free chlorine in water samples using Hach Method 8021, a USEPA-accepted method for drinking water compliance reporting. These single-dose, boric acid-free powder pillows simplify the testing process, delivering consistent, high-precision results when used with compatible colorimeters and spectrophotometers.
Ideal for municipal and environmental water monitoring programs, these reagents are optimized for a 10 mL sample volume and provide a measurement range of 0.02 to 2.00 mg/L Cl₂.
Key Features and Benefits
- USEPA Accepted – Compliant for reporting free chlorine in drinking water under Hach Method 8021
- Precise Measurement Range – Detects free chlorine levels from 0.02 to 2.00 mg/L
- Boric Acid Free – Environmentally friendlier reagent formulation
- Powder Pillow Format – Single-use, sealed units reduce contamination risk and increase test reproducibility
- Optimized for 10 mL Samples – Ensures compatibility with standard procedures
- Compatible with Hach Instruments – Use with Hach colorimeters and spectrophotometers (see method for details)
Typical Applications
- Drinking water compliance testing
- Groundwater analysis
- Surface water quality monitoring
- Municipal water treatment facilities
- Laboratory-based water chemistry
Technical Specifications
| Attribute | Specification |
|---|---|
| Description | DPD Free Chlorine Reagent Powder Pillows |
| Measuring Range | 0.02 – 2.00 mg/L Cl₂ |
| Method | DPD Colorimetric |
| Method Number | 8021 |
| Sample Volume | 10 mL |
| Number of Tests | 100 pillows |
| EPA Compliant | Yes |
| Platform | Powder Pillows |
| Storage Conditions | 10 °C – 25 °C |
| Boric Acid Free | Yes |
| Compatible Instruments | Hach spectrophotometers and colorimeters |
The DPD Free Chlorine Reagent Powder Pillows offer a quick, accurate, and compliant method for free chlorine determination in drinking and environmental water samples. With a broad detection range, boric acid-free formulation, and compatibility with leading instruments, this product is a go-to solution for water quality professionals needing reliable and EPA-compliant chlorine monitoring.