上海豫东电子科技有限公司

氨气气体检测管3HM Ammonia NH3 的详细介绍
氨气气体检测管3HM Ammonia NH3
Ammonia                         No.3HMNH3
Performance
 
MeasuringRange
0.05 to 1.6%
1.6 to 3.52%
Number of Pump Strokes
1
1/2
CorrectionFactor
1
2.2
SamplingTime
1 minute per pumpstroke
DetectingLimit
0.01% (n=1)
ColorChange
Pink → Yellow
ReactionPrinciple
2NH3 + H2SO4 → (NH4)2SO42NH3 + H2SO4 → (NH4)2SO4
Coefficient ofVariation 10% (for0.05 to 0.4 %), 5% (for 0.4 to 1.6 ppm)
ShelfLife 3Years
Correctionsfor
temperature & humidity Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences (NOTE)


Substance
Concentration
Interference
Change color by itself
Hydrazine
-
Plus error
Discolor to yellowstain
Pyridine
-
Plus error
Discolor to yellowstain
Amines other thanaromatic amines
-
Plus error
Discolor to yellowstain