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GAS211LL Sulphide Ions Gastec Soluble Ion Tubes 0.5 - 20ppm

SKU: GAS211LL

GAS211LL


Next Working Day Delivery - When Ordering Gastec Tubes from a1-cbiss, we aim to deliver to your site for the next working day.


Large UK Stock Holding - 95% of our Gastec Detector Tubes are held in stock so our delivery times are quick


Gastec Price Promise - We'll better any like for like competitors' offer. Provide us with a valid quote and we will beat it.

Excl. VAT: £29.95 Incl. VAT: £35.94
Excl. VAT: £29.95 Incl. VAT: £35.94

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Product Description

Details

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

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