Gastec CH3CHO 92L Quick-measuring Detector tubes Acetaldehyde CH3CHO (1~20ppm)
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 1~20ppm
Measuring Range: 1~20ppm
Sampling Time: 2 minutes per pump stroke
Colour Change: Yellow → Brown
Reaction Principle: 3CH3CHO + (NH2OH)3H3PO4 → H3PO4, H3PO4 + Base → Phosphate
Coefficient of Variation: 10% (for 1 to 6 ppm), 5% (for 6 to 20 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
|
|
| Number of Pump Strokes |
|
|
| Correction Factor |
|
|
| Sampling Time | 2 minutes per pump stroke | |
| Detecting Limit | 0.2 ppm (n=1) | |
| Colour Change | Yellow → Brown | |
| Reaction Principle | 3CH3CHO + (NH2OH)3H3PO4 → H3PO4 H3PO4 + Base → Phosphate |
|
| Coefficient of Variation | 10% (for 1 to 6 ppm), 5% (for 6 to 20 ppm) | |
| Shelf Life | 2 Years | |
| Corrections for temperature & humidity | Temperature correction is necessary | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Ammonia |  30 ppm |
No | No |
| Acetic acid |  2 times |
+ | Brown |
| Acids | + | Brown | |
| Aldehydes | + | Brown | |
| Ketones | + | Brown |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 25 ppm | 4 to 60% |
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