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Shanghai Yudong Electronic Technology Co., Ltd
76H tetrahydrothiophene detection tube
NegotiableUpdate on 06/06
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Overview
76H tetrahydrothiophene detection tube Tetrahydrophene, xylene gas detection tube 123L Xylene, water vapor detection tube 6LLP Water vapor, 1,1-dichloroethylene detection tube 130L Vinylide chloride, vinyl chloride detection tube 131LB Vinyl chloride, vinyl acetate detection tube 143 Vinyl acetate, trichloroethylene detection tube 132M Trichloroethylene
Product Details
76H 四氢噻吩检测管 Tetrahydrothiophene
Tetrahydrothiophene No.76H
C4H8S
| Performance |
MeasuringRange |
10 to 200 ppm |
Number of PumpStroke |
1 |
CorrectionFactor |
1 |
SamplingTime |
1.5 minutes per pumpstroke |
DetectingLimit |
2 ppm (n=1) |
ColorChange |
Pink → PaleYellow |
ReactionFormula |
C4H8S + MnO4(Pink) → Pale Yellow Product |
| Coefficient ofVariation | 10% (for 10 to 60ppm), 5% (for 80 to 200 ppm) |
| ShelfLife | 2 Years |
| Correctionsfor temperature & humidity |
Temperature correction isnecessary |
| Store the tubes at cool and darkplace. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
Ethylmercaptan |
3 ppm |
No |
Pale pink (wholelayer) |
Ethylene |
5000 ppm |
No |
Pale pink (wholelayer) |
Propylene |
2000 ppm |
No |
Pale pink (wholelayer) |
Methanol |
2000 ppm |
No |
Pale pink (wholelayer) |
Hydrogensulphide |
300 ppm |
No |
Pale pink (wholelayer) |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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