Gastec 221L Chloride Ion (Cl-) in Solution detector tube (25 ~ 1000 mg/L)
ManufacturerGastec(View more products from this manufacturer)
Model221L
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Indicator: 50 ~ 1000 mg/L
Measuring Range: 25 ~ 1000 mg/L
Sampling Time: 3 minute
Colour Change: Brown → White
Reaction Principle: 2Cl- + Ag2CrO4 → 2AgCl
Nr. of tests: 10
Performance
| Measuring Range | (25) to 1000 mg/L |
| Sampling Time | 3 minutes |
| Detecting Limit | 1 mg/L |
| Colour Change | Brown → White |
| Reaction Principle | 2Cl- + Ag2CrO4 → 2AgCl |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| CN- | ≧ 1 mg/L | + | White |
| Br- | ≧ 10 mg/L | + | White |
| SCN- | ≧ 30 mg/L | + | White |
| Fe2+ | ≧ 200 mg/L |  |
No (≦ 1000 mg/L) |
| Fe3+ | ≧ 200 mg/L | |
White |
| F- | ≧ 500 mg/L | |
No (≦ 1000 mg/L) |
| I- | ≧ 50 mg/L | + | White |
| S2- | ≧ 5 mg/L | + | Blackish gray |
| SO42- | ≧ 2000 mg/L | |
White |
Other substance measurable with this detector tube
| Substance | Correction Factor | Measuring Range |
| Br- | 2.2 | 55 to 2200 mg/l |
Detector tubes for dissolved substances
(i.e. in solution).
(i.e. in solution).
|
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
 |
 |
Liquid detector tube
|
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.
* Adjustment for pH is required when measuring with liquid detector tubes.
* Adjustment for pH is required when measuring with liquid detector tubes.
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