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Isopropanol detection tube 113LL Isopropyl alcohol
Isopropanol detection tube 113LL Isopropyl alcohol, measuring range 20 to 200 ppm 200 to 400 ppm, with dozens of types including ammonia, chlorine, ni
Product details
异丙醇检测管113 LL Isopropyl alcohol
Isopropyl alcohol No.113LL
| Performance |
MeasuringRange |
20 to 200 ppm |
200 to 400 ppm |
Number of PumpStrokes |
2 |
1 |
CorrectionFactor |
1 |
2.2 |
SamplingTime |
3 minutes per pumpstroke |
|
DetectingLimit |
5 ppm (n=2) |
|
Color Change |
Pink → Paleblue |
|
Reaction Principle |
CH3CH(OH)CH3+ Cr6++ H2SO4→ Cr3+ |
|
| Coefficient ofVariation | 15% (for50 to 200 ppm), 10% (for 200 to 800 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 |
Alcohols |
|
+ |
Pale blue |
Esters,Ketones |
|
No |
No |
| Aliphatic hydrocarbon | No |
No |
|
| Aromatic hydrocarbon | No |
No |
| Othersubstance measurable with this detector tube |
Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
Ethylene glycolMEE |
0.76 |
2 |
15.2 to 152ppm |
1-Methoxy-2-propanol |
0.76 |
2 |
15.2 to 152ppm |
Propylalcohol |
0.68 |
2 |
13.6 to 136ppm |
Ethylene glycolMBE |
1.15 |
2 |
23 to 230 ppm |
Ethylene glycolMME |
1.0 |
2 |
20 to 200ppm |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200ppm | 400ppm | 2 to12.7% |
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