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SKU: GAS211LL Categories: ,

GAS211LL Sulphide Ions Gastec Soluble Ion Tubes 0.5 – 20ppm

£29.95 ex. VAT
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SKU: GAS211LL Categories: ,

Description

GAS211LL Sulphide Ions 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 0.5 to 20 ppm
Sampling Time 2 minutes
Detecting Limit 0.2 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
SO32- 20 ppm No error No discoloration 1%
Cl 100 ppm No error No discoloration 5%
Cr6+ 0.2 ppm Yellow discoloration 1ppm
CO32- 500 ppm No error No discoloration 1%
S2O32- 20 ppm No error No discoloration 1%
I- 200 ppm No error Yellow discoloration 3000 ppm
SO42- 100 ppm No error No discoloration 1%
PO43- 100 ppm No error No discoloration 1%
Calibration gas generation Sodium Sulphide standard solution

Additional Information

Weight 0.1 kg
Multi Gas Tags

Gas Range

Brand

Configuration

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