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氮氧化物检知管11HA Nitrogen oxides[产品打印页面]
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产品名称:
氮氧化物检知管11HA Nitrogen oxides
产品型号:
11HA
产品展商:
GASTEC
简单介绍
氮氧化物检知管11HA Nitrogen oxides，Measuring Range 50 to 2500ppm，氮氧化物检知管价格，一氧化碳、光气、氢氰酸、硫化氢、甲醛、乙醛、二氧化氮、次氯酸、过氧化氢，氯化氢、氮氧化物、碳氢化合物总量
氮氧化物检知管11HA Nitrogen oxides的详细介绍
氮氧化物检知管11HA Nitrogen oxides
Nitrogen oxides No.11HANO+NO2
Measuring Range | 50 to 2500 ppm | Number of PumpStrokes | 1 | CorrectionFactor | 1 | Sampling Time | 1 minute per pumpstroke | Detecting Limit | 10 ppm (n=1) | Color Change | White → Green | Reaction Principle | NO + Cr6++ H2SO4→NO2
NO2 + (C6H5)2NH 仺 Green product | | Coefficient ofVariation | 10% (for 50 to 400ppm), 5% (for 400 to 2500 ppm) | | ShelfLife | 2 Years | Correctionsfor
temperature & humidity | Unnecessary | | Store the tubes at cool and darkplace. |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself | Hydrogenchloride | 500 ppm | Faintdemarcation | Produce bluishpurple
at 100 ppm | Ozone | 200 ppm | Faintdemarcation
two layers | Browndiscoloration | Sulfur dioxide,
Hydrogen sulfide | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | NO2:Permeation tube method
NO:High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range | NO2:3ppm
NO:25ppm | NO2:5ppm | - |
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