Gastec 281 溶液中亚铁离子检测管(5~50 mg/L)

  • 制造商: Gastec
    Model: 281
    • 报价要求 报价要求
  • 886,050 VND
  • 价格合理详情请致电

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Indicator: 10 ~ 50 mg/L
Measuring Range: 5 ~ 50 mg/L
Sampling Time:  5 minute
Colour Change: White → Orange
Reaction Principle: Fe2+ + 1,10 Fenantoroline (White) → Complex compound
Nr. of tests: 10

Details

Catalog

Performance
Measuring Range (5) to 50 mg/L
Sampling Time 5 minutes
Detecting Limit 1.0 mg/L
Colour Change White → Orange
Reaction Principle Fe2+ + 1,10 Fenantoroline (White) → 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 Change colour by itself to
Zn 5 mg/L + No ( ≦ 100mg/L)
Co 5 mg/L + Orange ( ≧ 1mg/L)
CN- 20 mg/ L No ( ≦ 100mg/L)
Fe3+ 50 mg/L + Pale orange ( 50 mg/L)
CU+ 5 mg/L Pale orange ( 1 mg/L)
CU2+ 10 mg/L + Pale blue ( 50 mg/L)
Ni 5 mg/L + No ( 100 mg/L)
Mn 50 mg/L No ( 100 mg/L )
PO43- ≦ 100 mg/L No No ( 100 mg/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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