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Lovibond® DPD No. 1 Free Chlorine Tablets
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For use with Photometer and Comparator
Specifications:
| Application | Water Quality Analysis | ||
| Storage Temperature | Room Temperature | ||
| Product Type | Environment Test Reagent | Forms | Tablets |
| Product Brand | Lovibond | ||
| Product Grade | Analytical grade | ||
High-Accuracy Chlorine, Bromine, Ozone, and Monochloramine Testing Tablets – Boric Acid-Free
Lovibond™ DPD No.1 Tablet Reagents are trusted worldwide for the precise determination of free chlorine and are equally effective for bromine, ozone, and monochloramine-dichloramine analysis. These tablets feature Green Chemistry—free from boric acid—while delivering accurate, stable, and reproducible test results. Designed for field and laboratory use, the tablet form ensures exact dosing, long shelf life, and safe handling.
Key Features
- Boric Acid-Free: Compliant with modern green chemistry principles
- Highest Test Accuracy: Trusted standard for chlorine and disinfectant testing
- Easy Handling: Compact tablet format, crushable in cuvette
- Exact Dosing: Eliminates reagent volume errors
- Long Shelf Life: Excellent stability in storage and transport
Applications
- Free Chlorine Monitoring (Drinking water, pools, industrial water)
- Bromine Residual Control
- Ozone Disinfection Checks
- Monochloramine & Dichloramine Testing
- Wastewater and Effluent Disinfection
- Cooling & Boiler Water Monitoring
Available Packaging Units
| Product Name | Pack Size | Part Number |
|---|---|---|
| DPD No.1 Tablet Reagents | 100 tablets | 511050BT |
| DPD No.1 Tablet Reagents | 250 tablets | 511051BT |
| DPD No.1 Tablet Reagents | 500 tablets | 511052BT |
All tablet forms are manufactured to ISO standards and supplied in sealed blister packs for easy dispensing.
Compatible Instruments & Methods
| Parameter | Range | Method No. | Instrument Type |
| Free Chlorine | 0.1 – 6.0 mg/L Cl₂ | M98 | XD7000, XD7500, XD Series |
| Free Chlorine (Low Range) | 0.02 – 0.5 mg/L Cl₂ | M99 | XD7000, XD7500 |
| Free Chlorine (Comparator) | 0.02 – 0.3 mg/L Cl₂ | M2509 | CHECKIT® Comparator Test Kit |
| Free Chlorine (Extended) | 0.01 – 6.0 mg/L Cl₂ | M100 | MD Series, AquaPRO6/14 |
| Bromine | 0.2 – 13 mg/L Br₂ | M80 | Scuba II |
| Chlorine Dioxide | 0.05 – 1 mg/L ClO₂ | M119 | XD7000, XD7500 |
| Chlorine Dioxide (Low Range) | 0.01 – 0.2 mg/L ClO₂ | M2511 | CHECKIT® Comparator Test Kit |
| Chlorine Dioxide (Extended) | 0.02 – 11 mg/L ClO₂ | M120 | MD Series, PM Series |
| Iodine | 0.05 – 14 mg/L I | M215, M3059, M3060 | MD600, MD610, MD640, PM620, PM630 |
Instructions for Use
- Place a DPD No.1 tablet in a clean sample cuvette.
- Add a few drops of water sample and crush the tablet.
- Fill the cuvette with sample water up to the mark.
- Mix gently by swirling.
- Read the value immediately using a compatible instrument.
Lovibond™ DPD No.1 Tablet Reagents are the industry standard for disinfectant monitoring using a simple, precise, and safe method. Whether for potable water testing, pool maintenance, or regulatory compliance, these tablets offer unmatched ease of use and accuracy. Their long shelf life, boric acid-free composition, and compatibility with a wide range of instruments make them a smart choice for every water analysis application.
- Pack Size: 100/pk 250/pk 500/pk