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Shanghai Yudong Electronic Technology Co., Ltd
Sulfur dioxide detection tube 5Lb
NegotiableUpdate on 06/06
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Overview
Sulfur dioxide detection tube 5 Lb Sulphur dioxide SO2，0.05 to0.1 ppm 0.1 to0.2 ppm 0.2 to5.0 ppm 5.0 to10.0 ppm， Provide professional testing instruments, protective measures, and supporting solutions. Dozens of substances including xylene, methanol, ethanol, ethylene, acetylene, ether, gasoline, phosgene, hydrogen cyanide, acrylonitrile, phosphine, etc
Product Details
二氧化硫检测管5 Lb Sulphur dioxide SO2
Sulphur dioxide No.5LB
SO2
| Performance |
MeasuringRange |
0.05 to0.1 ppm |
0.1 to0.2 ppm |
0.2 to5.0 ppm |
5.0 to10.0 ppm |
Number of PumpStrokes |
8 |
4 |
2 |
1 |
CorrectionFactor |
1/4 |
1/2 |
1 |
2 |
Sampling Time |
1 minute per pump stroke |
|||
DetectingLimit |
0.01 ppm (n=8) |
|||
Colour Change |
Yellowish green → Yellow |
|||
ReactionPrinciple |
SO2 + BaCl2 +H2O 仺 BaSO3 + 2HCl HCl+Base 仺 Chloride |
|||
Coefficient ofVariation |
10% (for 0.2 to 1 ppm), 5% (for 1 to 5ppm) |
|||
Shelf Life |
3 Years |
|||
Corrections for temperature &humidity |
Unnecessary |
|||
Store the tubes at cool and darkplace. | ||||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
Carbon monoxide, |
No |
No |
|
Carbondioxide |
100% |
+ |
Yellow |
| Nitrogen dioxide | 1 ppm |
Uncleardemarcation |
Yellow |
| Hydrogen sulphide |
|
No |
No |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Permeation tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2ppm | 5ppm | - |
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