Comes equipped with lessons, activities, and test kits to teach students the importance of common water quality parameters. Using titration, colorimetry, and direct measurement, educators and students can easily measure parameters such as acidity, alkalinity, carbon dioxide, dissolved oxygen, hardness, pH, EC, TDS, and turbidity.
Comes equipped with lessons, activities, and test kits to teach students the importance of common water quality parameters. Using titration, colorimetry, and direct measurement, educators and students can easily measure parameters such as acidity, alkalinity, carbon dioxide, dissolved oxygen, hardness, pH, EC, TDS, and turbidity.
The Backpack Lab includes all of the necessary reagents and equipment to perform each analysis, and all reagents and buffers are individually available as they run out. Great for transporting, it's easy to take this durable backpack to the field for on-site measurements.
Features
Applications
Provides teachers with a valuable tool to help students determine the water quality of streams, rivers, and lakes.
| Acidity Specifications | ||
|---|---|---|
| Range | 0 to 100 mg/L (ppm) CaCO₃; 0 to 500 mg/L (ppm) CaCO₃ | |
| Resolution | 1 mg/L (0 to 100 mg/L range); 5 mg/L (0 to 500 mg/L range) | |
| Method | Methyl orange / phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Alkalinity Specifications | ||
| Range | 0 to 100 mg/L (ppm) CaCO₃; 0 to 300 mg/L (ppm) CaCO₃ | |
| Resolution | 1 mg/L (0 to 100 mg/L range); 3 mg/L (0 to 300 mg/L range) | |
| Method | Phenolphthalein / bromophenol blue | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Carbon Dioxide Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) CO₂; 0.0 to 50.0 mg/L (ppm) CO₂; 0 to 100 mg/L (ppm) CO₂ | |
| Resolution | 0.1 mg/L (0.0 to 10.0 mg/L range); 0.5 mg/L (0.0 to 50.0 mg/L range); 1 mg/L (0 to 100 mg/L range) | |
| Method | Phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Carbon Dioxide Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) CO₂; 0.0 to 50.0 mg/L (ppm) CO₂; 0 to 100 mg/L (ppm) CO₂ | |
| Resolution | 0.1 mg/L (0.0 to 10.0 mg/L range); 0.5 mg/L (0.0 to 50.0 mg/L range); 1 mg/L (0 to 100 mg/L range) | |
| Method | Phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Hardness Specifications | ||
| Range | 0.0 to 30.0 mg/L (ppm) CaCO₃; 0 to 300 mg/L (ppm) CaCO₃ | |
| Resolution | 0.3 mg/L (0.0 to 30.0 mg/L range); 3 mg/L (0 to 300 mg/L range) | |
| Method | EDTA | |
| Number of Tests | 100 | |
| CTK Type | Titration | |
| Nitrate Specifications | ||
| Range | 0 to 50 mg/L (ppm) NO₂-N | |
| Resolution | 10 mg/L (ppm) | |
| Method | Cadmium reduction | |
| Number of Tests | 100 | |
| CTK Type | colorimetric | |
| Phosphate Specifications | ||
| Range | 0 to 5 mg/L (ppm) PO₄³⁻ | |
| Resolution | 1 mg/L | |
| Method | ascorbic acid | |
| Number of Tests | 50 | |
| CTK Type | colorimetric | |
| Dissolved Oxygen Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) O₂ | |
| Resolution | 0.1 mg/L | |
| Method | Modified Winkler | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Tester Specifications | ||
| pH Range | 0.00 to 14.00 | |
| pH Resolution | 0.01 pH | |
| pH Accuracy (@25ºC/77ºF) | ±0.05 pH | |
| pH Calibration | Automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) | |
| EC Range | 0 to 3999 µS/cm | |
| EC Resolution | 1 μS/cm | |
| EC Accuracy (@25ºC/77ºF) | ±2% F.S. | |
| EC Calibration | Automatic, one point at 1413 µS/cm | |
| TDS Range | 0 to 2000 mg/L (ppm) | |
| TDS Resolution | 1 mg/L (ppm) | |
| TDS Accuracy (@25ºC/77ºF) | ±2% F.S. | |
| TDS Calibration | Automatic, one point at 1382 mg/L (ppm) | |
| Temperature Range | 32.0 to 140.0°F (0.0 to 60.0°C) | |
| Temperature Resolution | 0.1°F (0.1°C) | |
| Temperature Accuracy (@25ºC/77ºF) | ±1°F (0.5°C) | |
| Acidity Specifications | ||
|---|---|---|
| Range | 0 to 100 mg/L (ppm) CaCO₃; 0 to 500 mg/L (ppm) CaCO₃ | |
| Resolution | 1 mg/L (0 to 100 mg/L range); 5 mg/L (0 to 500 mg/L range) | |
| Method | Methyl orange / phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Alkalinity Specifications | ||
| Range | 0 to 100 mg/L (ppm) CaCO₃; 0 to 300 mg/L (ppm) CaCO₃ | |
| Resolution | 1 mg/L (0 to 100 mg/L range); 3 mg/L (0 to 300 mg/L range) | |
| Method | Phenolphthalein / bromophenol blue | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Carbon Dioxide Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) CO₂; 0.0 to 50.0 mg/L (ppm) CO₂; 0 to 100 mg/L (ppm) CO₂ | |
| Resolution | 0.1 mg/L (0.0 to 10.0 mg/L range); 0.5 mg/L (0.0 to 50.0 mg/L range); 1 mg/L (0 to 100 mg/L range) | |
| Method | Phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Carbon Dioxide Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) CO₂; 0.0 to 50.0 mg/L (ppm) CO₂; 0 to 100 mg/L (ppm) CO₂ | |
| Resolution | 0.1 mg/L (0.0 to 10.0 mg/L range); 0.5 mg/L (0.0 to 50.0 mg/L range); 1 mg/L (0 to 100 mg/L range) | |
| Method | Phenolphthalein | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Hardness Specifications | ||
| Range | 0.0 to 30.0 mg/L (ppm) CaCO₃; 0 to 300 mg/L (ppm) CaCO₃ | |
| Resolution | 0.3 mg/L (0.0 to 30.0 mg/L range); 3 mg/L (0 to 300 mg/L range) | |
| Method | EDTA | |
| Number of Tests | 100 | |
| CTK Type | Titration | |
| Nitrate Specifications | ||
| Range | 0 to 50 mg/L (ppm) NO₂-N | |
| Resolution | 10 mg/L (ppm) | |
| Method | Cadmium reduction | |
| Number of Tests | 100 | |
| CTK Type | colorimetric | |
| Phosphate Specifications | ||
| Range | 0 to 5 mg/L (ppm) PO₄³⁻ | |
| Resolution | 1 mg/L | |
| Method | ascorbic acid | |
| Number of Tests | 50 | |
| CTK Type | colorimetric | |
| Dissolved Oxygen Specifications | ||
| Range | 0.0 to 10.0 mg/L (ppm) O₂ | |
| Resolution | 0.1 mg/L | |
| Method | Modified Winkler | |
| Number of Tests | 110 | |
| CTK Type | Titration | |
| Tester Specifications | ||
| pH Range | 0.00 to 14.00 | |
| pH Resolution | 0.01 pH | |
| pH Accuracy (@25ºC/77ºF) | ±0.05 pH | |
| pH Calibration | Automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) | |
| EC Range | 0 to 3999 µS/cm | |
| EC Resolution | 1 μS/cm | |
| EC Accuracy (@25ºC/77ºF) | ±2% F.S. | |
| EC Calibration | Automatic, one point at 1413 µS/cm | |
| TDS Range | 0 to 2000 mg/L (ppm) | |
| TDS Resolution | 1 mg/L (ppm) | |
| TDS Accuracy (@25ºC/77ºF) | ±2% F.S. | |
| TDS Calibration | Automatic, one point at 1382 mg/L (ppm) | |
| Temperature Range | 32.0 to 140.0°F (0.0 to 60.0°C) | |
| Temperature Resolution | 0.1°F (0.1°C) | |
| Temperature Accuracy (@25ºC/77ºF) | ±1°F (0.5°C) | |
