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Shanghai Yudong Electronic Technology Co., Ltd
127 O-Dichlorobenzene gas detection tube
NegotiableUpdate on 12/14
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Overview
Ortho dichlorobenzene gas detection tube 127 O-Dichlorobenzene，Measuring Range 2.5 to 300 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 1.5 minutes， 127 O-Dichlorobenzene gas detection tube
Product Details
127 O-Dichlorobenzene gas detection tube
O-Dichlorobenzene No.127
C6H4Cl2
| Performance |
MeasuringRange |
2.5 to 300 ppm |
|
|
Number of Pump Strokes |
2 |
|
|
Correction Factor |
1 |
|
|
SamplingTime |
1.5 minutes per pumpstroke |
||
DetectingLimit |
1 ppm (n=2) |
||
ColorChange |
White → Lightbrown |
||
ReactionPrinciple |
C6H4Cl2+ I2O5+ Cr6++ H2S2O7→ I2 |
||
| Coefficient ofVariation | 10% (for2.5 to 10 ppm), 5% (for 30 to 300 ppm) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity |
Temperature correction is necessary | ||
| Store the tubes atcool and dark place. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color byitself |
Aromatichydrocarbons |
|
Plus error |
Light brown |
Acetylene |
0.2% |
Plus error |
Light brown |
Carbonmonoxide |
0.1% |
No effect |
|
Ethylene,Esters |
0.2% |
No effect |
|
| Hexane | 0.2% |
||
| Alcohols, Ketones | 1% |
No |
| Othersubstance measurable with this detector tube |
Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
m-Dichlorobenzene |
1.0 |
2 |
2.5 to 300 ppm |
p-Dichlorobenzene |
1.0 |
2 |
2.5 to 300ppm |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | 50ppm | 2.2 to 12% |
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