Gastec 32 过氧化氢双氧水H2O2 气体检测管(0.5~10 ppm)

Indicator: 1~10ppm
Measuring Range: 0.5 to 10 ppm, Number of Pump Strokes 5
Sampling Time: 45 second per pump stroke
Colour Change: White → Yellow
Reaction Principle: H2O2 + TiSO4 → Yellow Product
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 0.5 to 10 ppm
Number of Pump Strokes 5
Correction Factor 1
Sampling Time 45 seconds per pump stroke
Detecting Limit 0.1 ppm (n=5)
Colour Change White → Yellow
Reaction Principle H2O2 + TiSO4 → Yellow Product
Coefficient of Variation 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Chlorine   No No
Ozone   No No
Nitrogen dioxide   No No
Acetaldehyde 50 ppm Unclear demarcation No
Formaldehyde 10 ppm   No

 

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