Gastec 271 Mercury Hg in Solution detector tube (1 ~ 20 mg/L)
ManufacturerGastec(View more products from this manufacturer)
Model271
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Indicator: 1 ~ 20 mg/L
Measuring Range: 1 ~ 20 mg/L
Sampling Time: 5 minute
Colour Change: Pale orange → Bluish purple
Reaction Principle: Hg + PAN (indicator) → Complex compound
Nr. of tests: 10
Performance
| Measuring Range | 1 to 20 mg/L |
| Sampling Time | 5 minutes |
| Detecting Limit | 0.5 mg/L |
| Colour Change | Pale orange → Bluish purple |
| Reaction Principle | Hg + PAN (indicator) → Complex compound |
| 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 | Changes colour by itself to |
| Fe2+ | ≧ 0.5 mg/L |  |
Reddish purple ( ≧ 0.5mg/L) |
| Fe3+ | ≧ 1 mg/L | |
No ( ≦ 100mg/L) |
| Cu | ≧ 0.5 mg/ L | + | Reddish purple ( ≧ 0.5mg/L) |
| Zn | ≧ 0.5 mg/L | + | Purple ( ≧ 0.2mg/L) |
| Mn | ≧ 1 mg/L | + | Bluish purple ( ≧ 1mg/L) |
| Al | ≧ 0.5 mg/L | + | No ( ≦ 100mg/L) |
| Ni | ≧ 0.3 mg/L | + | Purple ( ≧ 0.3mg/L) |
| Co | ≧ 0.2 mg/L | + | Purple ( ≧ 0.2mg/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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