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氨气检测管

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氨气检测管3L Ammonia NH3，Measuring Range 0.5 to1 ppm 1 to 30 ppm 30 to 78 ppm Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2.6 Sampling Time 1 seconds per pump stroke氨气检测管价格

氨气检测管3L Ammonia NH3的详细介绍

氨气检测管3L Ammonia NH3 Ammonia No.3L

NH3

Performance

Measuring Range	0.5 to1 ppm	1 to 30 ppm	30 to 78 ppm
Number of PumpStrokes	2	1	1/2
Correction Factor	1/2	1	2.6
Sampling Time	1 seconds perpump stroke
Detecting Limit	0.2 ppm (n=2)
Color Change	Pink → Yellow
Reaction Principle	2NH3 + H2SO4 → (NH4)2SO4
Coefficient ofVariation	10% (for5 to 20 ppm), 5% (for 20 to 100 ppm)
ShelfLife	3Years
Correctionsfor temperature & humidity	Temperature correction is necessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Carbondioxide	1%	-	No
Hydrazine	-	+	Yellow
Amines	1/15	+	Yellow ( 5ppm)

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
25ppm	35ppm	15 to 28%

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