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供应氮氧化物检测管10 Nitrogen oxides

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氮氧化物检测管10 Nitrogen oxides 的详细介绍
氮氧化物检测管10 Nitrogen oxides

Nitrogen oxides No.10NO2, NO (Separete quantification)
Performance

Name of Gas
Nitrogen Dioxide (NO2)
Nitric oxide (NO)
Measuring Range
2.5 to 200 ppm
2.5 to 5 ppm
5 to 200 ppm
Pump Strokes
1
2
1
Correction Factor
1
1/2
1
Sampling Time
1 minute per pump stroke
Detecting Limit
0.5 ppm (n=1)
1 ppm (n=2)
Color Change
White → Yellowish orange
Reaction Formula
NO2 tube:
NO2 + o-Tolidine 仺 Yellowish orange product
NO tube:
NO + Cr6+ + H2SO4 →NO2
NO2 + o-Tolidine 仺 Yellowish orange product
Coefficient of Variation
NO2 tube: 10% (for 2.5 to 20 ppm), 5% (for 20 to 200 ppm)
NO tube:10% (for 5 to 20 ppm), 5% (for 20 to 200 ppm)
Shelf Life 3 Years
Corrections for
temperature & humidity
NO2 tube:Unnecessary
NO tube:Temperature correction is necessary
Store the tubes at cool and dark place.