Gastec 12H Quick-measuring Detector tubes Hydrogen cyanide HCN
ManufacturerGastec(View more products from this manufacturer)
Model12H
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 0.05 to 1.6%
Measuring Range: 0.05 to 1.6%, Number of Pump Strokes 1
Sampling Time: per pump stroke
Colour Change: Yellow → White
Reaction Principle: HCN+Na2Pd(SO3)2 → White reaction product
Coefficient of Variation: 10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range | 0.05 to 1.6% |
| Number of Pump Strokes | 1 |
| Correction Factor | 1 |
| Sampling Time | 1 minute per pump stroke |
| Detecting Limit | 0.005% (n=1) |
| Colour Change | Yellow → White |
| Reaction Principle | HCN+Na2Pd(SO3)2 → White reaction product |
| Coefficient of Variation | 10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Temperature correction is necessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Carbon monoxide | + | Dark brown | |
| Hydrogen sulphide | + | Dark brown | |
| Ethylene | + | Dark brown |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 4.7 ppm(2014) | 5.6 to 40 % |
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