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供应过氧化氢检测管32 Hydrogen peroxide

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产品介绍

过氧化氢检测管32 Hydrogen peroxide 的详细介绍
过氧化氢检测管32 Hydrogen peroxide
Hydrogen peroxide No.17L H2O2
Performance

Measuring Range
0.5 to 10 ppm
Number of Pump Strokes
5
Correction Factor
1
Sampling Time
1minute per pump stroke
Detecting Limit
0.1 ppm (n=5)
Color Change
White → Yellow
Reaction Principle
H2O2 + TiSO4 → Yellow Product
Coefficient of Variation 10% (for 0.5 to 2 ppm), 5% (for 4 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 color by itself
Chlorine
-
No effect
No discoloration
Ozone
-
No effect
No discoloration
Nitrogen dioxide
-
No effect
No discoloration
Acetaldehyde
50 ppm
Faint demarcation
No discoloration
Formaldehyde
10 ppm
Minus error
No discoloration

Other substance measurable with this detector tube

Calibration gas generation Diffusion tube method

TLV-TWA TLV-STEL Explosive range
1ppm - -