Gastec 184 Quick-measuring Detector tubes N,N-Dimethyl acetamide CH3CON(CH3)2 (1.5~240ppm)
ManufacturerGastec(View more products from this manufacturer)
Model184
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 5 to 60 ppm
Measuring Range:
+ 1.5 to 5 ppm, Number of Pump Strokes 4
+ 5 to 60 ppm, Number of Pump Strokes 2
+ 60 to 240 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: Pink → Pale yellow
Reaction Principle:
+ CH3CON(CH3)2 + NaOH → R-NH2
+ 2R-NH2 + H2SO4 → (R-NH2)2SO4
Coefficient of Variation: 15% (for 5 to 20 ppm), 10% (for 20 to 60 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time | 1.5 minutes per pump stroke | |||
| Detecting Limit | 0.5 ppm (n=4) | |||
| Colour Change | Pink → Pale yellow | |||
| Reaction Principle | CH3CON(CH3)2 + NaOH → R-NH2 2R-NH2 + H2SO4 → (R-NH2)2SO4 |
|||
| Coefficient of Variation | 15% (for 5 to 20 ppm), 10% (for 20 to 60 ppm) | |||
| 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 |
| Amines | + | Pale yellow | |
| Ammomia | + | Pale yellow | |
| Hydrazine | + | Pale yellow |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm(2014) | - | - |
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