产品介绍
6水蒸汽检测管 Water vapour的详细介绍
6水蒸汽检测管 Water vapour
Watervapour No.6
H2O
|
MeasuringRange
|
0.5 to 1 mg/l
|
1 to 18 mg/l
|
18 to 32 mg/l
|
|
Number of Pump Strokes
|
2
|
1
|
1/2
|
|
CorrectionFactor
|
1/2
|
1
|
by scale
|
|
SamplingTime
|
1 minutes per pumpstroke
|
|
DetectingLimit
|
0.1 mg/l (n=2)
|
|
ColorChange
|
Yellowish Green →Purple
|
|
ReactionPrinciple
|
H2O + Mg(ClO4)2 → Mg(ClO4)2  H2O
|
| Coefficient ofVariation |
10% (for1 to 6 mg/l), 5% (for 6 to 18 mg/l) |
| ShelfLife |
3Years |
Correctionsfor
temperature & humidity |
Temperature correction is necessary |
| Store the tubes at cool and darkplace. |
| Possible coexisting substances and theirinterferences |
(NOTE) |
|
Substance
|
Concentration
|
Interference
|
Change color by itself
|
Alcohols,Ketones,Aldehydes,
Sulfur dioxide,Hydrogen chloride |
2000ppm
|
Puls error
|
Nodiscoloration
|
| Esters,Acrylonitrile |
5000ppm
|
Puls error
|
Nodiscoloration
|
| Ammonia |
1000ppm
|
Puls error
|
Nodiscoloration
|
| Nitrogendioxide,Hydrogen cyanide |
500ppm
|
Puls errorr
|
Nodiscoloration
|
| Hydrogensulfide |
- |
No effect
|
Nodiscoloration
|
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration |
Vaperpressure method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| - |
- |
- |
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