









Lovibond MD50 COD Set-Up
- Ready-to-Use, prefilled ST-COD Tubes– Simplifies sampling and testing workflow.
- Mercury-Free Tube Tests – Environmentally friendly when chloride interference is absent.
- Suppression of Chloride interference up to 1000 mg/L in LR & MR methods and up to 10,000 mg/L in HR method.
After adding the sample to a Lovibond® COD tube test (LR, MR according to ISO 15705:2002), it is heated in the reactor for two hours at 150 °C and then analyzed in the photometer.
The COD Setups comprise the photometer, 25 tube tests for each of the two lower measuring ranges, a reactor for sample digestion and a vial stand.
- MD50 photometer in a robust carrying case.
- 25 ready-to-use COD tubes for each of the LR and MR methods.
- RD125 thermoreactor for sample digestion.
- Vial stand for 10 vials.
| Testparameter | Measuring Range | Method No. | Chemical Method |
|---|---|---|---|
| COD HR TT | 0.2 - 15 g/L O2 | M132 | Dichromate / H2SO4 |
| COD LMR TT | 15 - 300 mg/L O2 | M133 | Dichromate / H2SO4 |
| COD LR TT | 3 - 150 mg/L O2 | M130 | Dichromate / H2SO4 |
| COD MR TT | 20 - 1500 mg/L O2 | M131 | Dichromate / H2SO4 |
|
COD VLR TT |
2.0 - 60.0 mg/L O2 | M134 |
Dichromate / H2SO4 |
| Title | Measuring Range | Chemical Method | Packaging Unit | Part Number | Add to quotation cart |
|---|---|---|---|---|---|
| COD LR/25 | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420720 | |
| COD LR/25, mercury free | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420710 | |
| COD LR/150 | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 150 pc. | 2420725 | |
| ValidCheck COD 40 mg/L + TOC 16 mg/L | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48371225 | |
| Validcheck COD 120 mg/L + TOC 48 mg/L | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48371425 | |
| ValidCheck WW Effluent Multistandard NH4-N/COD/TOC/NO3-N/PO4-P/TP | 3 - 150 mg/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48399612 | |
| COD MR/25 | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420721 | |
| COD MR/25, mercury free | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420711 | |
| COD MR/150 | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 150 pc. | 2420726 | |
| COD MR/150, mercury free | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 150 pc. | 2420716 | |
| ValidCheck COD 500 mg/L + TOC 200 mg/L | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48371625 | |
| ValidCheck WW Influent Multistandard NH4-N/COD/TOC/NO3-N/PO4-P/TP | 20 - 1500 mg/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48399712 | |
| COD HR/25 | 0.2 - 15 g/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420722 | |
| COD HR/25, mercury free | 0.2 - 15 g/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2420712 | |
| COD HR/150 | 0.2 - 15 g/L O2 b) | Dichromate / H2SO4 | 150 pc. | 2420727 | |
| ValidCheck COD 5000 mg/L + TOC 2002 mg/L | 0.2 - 15 g/L O2 b) | Dichromate / H2SO4 | 1 pc. | 48371825 | |
| COD LMR/25 | 15 - 300 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2423120 | |
| COD VLR/25 | 2.0 - 60.0 mg/L O2 b) | Dichromate / H2SO4 | 25 pc. | 2423100 |

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.