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供应酸性气体检测管80 Acid gases

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酸性气体检测管80 Acid gases 的详细介绍
酸性气体检测管80 Acid gases
Acid gases No.80

Performance (Acetic acid)

Measuring Range
1 to 2 ppm
2 to 40 ppm
40 to 80 ppm
Number of Pump Strokes
4
2
1
Correction Factor
1/2
1
2
Sampling Time
45 seconds per pumpstroke
Detecting Limit
0.5 ppm (n=4)
Color Change
Palereddish purple → Pale Yellow
Reaction Principle
Acid gases react withdetecting layer to produce yellow stain.
Coefficient ofVariation 10% (for2 to 40 ppm)
ShelfLife 2Years
Correctionsfor
temperature & humidity Unnecessary
Store the tubes in dark and coolplace

Possible coexisting substances and theirinterferences (NOTE)

Substance
Correction
Pump
strokes
Color Change
Measuring range
Hydrogen chloride
4
2
Pale reddishpurple
4 to 320 ppm
Chlorine
0.35
2
White
0.35 to 28 ppm
Nitric acid
2.5
2
Pale reddishpurple
2.5 to 200 ppm
Sulfur dioxide
0.75
2
Yellow
0.75 to 60 ppm
Nitrogen dioxide
0.1
2
Pinkish gray
0.1 to 80 ppm
Iodine
0.06
2
Light bluishgray