Gastec 211M Ion Sulphide S2- detector tube (2 ~ 300 ppm)
ManufacturerGastec(View more products from this manufacturer)
Model211M
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 2 ~ 300 ppm
Measuring Range: 2 ~ 300 ppm
Sampling Time: 2 minute
Colour Change: White → Brown
Reaction Principle: S2- + Pb(CH3COO)2 → PbS
Nr. of tests: 10
Performance
| Measuring Range | 2 to 300 ppm |
| Sampling Time | 2 minutes |
| Detecting Limit | 0.5 ppm |
| Colour Change | White → Brown |
| Reaction Principle | S2- + Pb(CH3COO)2 → PbS |
| 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 |
| Cl- | ≧ 15000 ppm | + | No |
| CrO42- | ≧ 50 ppm |  |
Yellow |
| CO32- | ≧ 500 ppm | + | No |
| SO32- | ≧ 200 ppm | |
No |
| S2O32- | ≧ 100 ppm | + | No |
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.
Stay Updated with Offers
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Quick Support
Direct access to our certified experts