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GAS211M Sulphide Ions Gastec Detector Tubes 2 – 300ppm
Description
GAS211M 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 | 2 to 300 ppm |
| Sampling Time | 2 minutes |
| Detecting Limit | 0.5 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 |
| CO32- | ≥500 ppm | Plus error | No discoloration |
| Cl– | ≥15000 ppm | Plus error | No discoloration |
| CrO42- | ≥50 ppm | Minus error | Yellow discoloration |
| SO32- | ≥200ppm | Minus error | No discoloration |
| S2O32- | ≥100 ppm | Plus error | No discoloration |
| Calibration gas generation | Sodium Sulphide standard solution |
Additional Information
| Weight | 0.1 kg |
|---|---|
| Multi Gas Tags | |
| Gas Range | |
| Brand | |
| Configuration |
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