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GAS211LL Sulphide Ions Gastec Soluble Ion Tubes 0.5 – 20ppm
Description
GAS211LL Sulphide Ions Gastec Soluble Ion Detector Tubes
The soluble ion tube system offers a quicker, cheaper and easier alternative to using laboratory based anaylsers for measuring dissolved substances
(i.e. in solution)
To measure, simply immerse the detector tube in a sample of liquid (placed in a beaker or other container). Anyone can measure concentrations quickly, easily and accurately on site
| Performance |
| Measuring Range | 0.5 to 20 ppm |
| Sampling Time | 2 minutes |
| Detecting Limit | 0.2 ppm |
| Colour Change | White Brown |
| Reaction Principle | S2- + Pb (CH3COO)2 PbS |
| Coefficient of Variation | 15% (for 0.5 to 3.0 ppm), 10% (for 3.0 to 20 ppm) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. | |
|
Possible coexisting substances and their interferences |
| Substance | Concentration | Interference | Change colour by itself |
| SO32- | ≤20 ppm | No error | No discoloration ≤1% |
| Cl– | ≤100 ppm | No error | No discoloration ≤5% |
| Cr6+ | ≥0.2 ppm | – | Yellow discoloration ≥1ppm |
| CO32- | ≤500 ppm | No error | No discoloration ≤1% |
| S2O32- | ≤20 ppm | No error | No discoloration ≤1% |
| I- | ≤ 200 ppm | No error | Yellow discoloration ≥3000 ppm |
| SO42- | ≤100 ppm | No error | No discoloration ≤1% |
| PO43- | ≤ 100 ppm | No error | No discoloration ≤1% |
| Calibration gas generation | Sodium Sulphide standard solution |
Additional Information
| Weight | 0.1 kg |
|---|---|
| Multi Gas Tags | |
| Gas Range | |
| Brand | |
| Configuration |
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