These Metrohm 855 Environmental Analyzers include everything needed to analyze pH, alkalinity, conductivity and total hardness in a single sample. With the Metrohm Optrode optical sensor, you can now perform your color changing titrations unattended and get more repeatable endpoint detection. Configured with Dosino dosing technology and controlled by tiamo Light software, this analyzer ensures accuracy, efficiency and intuitive control of your data.
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| Parameter | Component | Measuring Range |
|---|---|---|
| pH | Aquatrode Plus | 0-13 |
| Alkalinity | Aquatrode Plus & Dosino dosing technology | ≥ 2.5 mg/L CaCO3 |
| Conductivity | 5-ring Conductivity Cell | 0.005-20 mS/cm |
| Hardness | Optrode & Dosino dosing technology | ≥ 3.0 mg/L CaCO3 |
Reliable Environmental Solutions
A Case Study on Various Water Samples
You have an important job to do. Have confidence in the accuracy and repeatability of your results with a dedicated Metrohm Environmental Analyzer. Below are the results of a case study on various water samples demonstrating precision at or below the EPA method requirements.
| Sample n=5 | pH EPA 150.1 | Conductivity EPA 120.1 | Alkalinity EPA 310.1 | Hardness EPA 130.2 |
|---|---|---|---|---|
| Purified Spring Water | 5.86 ± 0.10 | 0.047 ± 0.001 | 2.46 ± 0.3 | 8.49 ± 0.3 |
| Mineral Water | 7.80 ± 0.07 | 0.368 ± 0.001 | 136 ± 1.5 | 174 ± 3 |
| Drinking Water | 7.52 ± 0.08 | 0.536 ± 0.002 | 120 ± 1.0 | 257 ± 1 |
| Ultrapure Water | 5.71 ± 0.10 | 0.004 ± 0.001 | 0.7 ± 0.2 | 6.00 ± 2 |
Submit your Proficiency Testing Results with Confidence
Our Testing Results from Certified PT Samples
Running lab certification samples can be stressful. Below are the results from certified proficiency testing samples and proof that you can submit results with confidence.
| Sample | pH | Conductivity | Alkalinity | Hardness |
|---|---|---|---|---|
| Hard Water QC #1346 | 9.07 | 0.334 | 48.6 | 59.0 |
| Certified Value | 9.08 | 0.326 | 48.4 | 61.7 |
| Soft Water QC #1347 | 9.03 | 0.241 | 37.9 | 44.6 |
| Certified Value | 9.06 | 0.235 | 37.9 | 46.8 |