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Gastec 271 Mercury Hg in Solution detector tube (1 ~ 20 mg/L)

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

Details

Catalog

 

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).
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
Liquid detector tube
 
Ozone: 218
Chloride ion: 221L / 221LL
Mercury: 271
Hexavalent chromium: 273
Bivalent iron: 281
Copper: 284
Zinc: 285
Nicke: 291
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.
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