上海豫东电子科技有限公司

氨气气体检测管3H Ammonia NH3 的详细介绍
氨气气体检测管3H Ammonia NH3
Ammonia                         No.3HNH3
Performance
 
Measuring Range
0.2 to 1%
1 to 16%
16 to 32%
Number of PumpStrokes
5 - 2
1
1/2
Correction Factor
1/5 to 1/2
1
2
Sampling Time
1 minute per pumpstroke
Detecting Limit
0.05% (n=5)
Color Change
Purple →Yellow
Reaction Principle
3NH3 + H3PO4 → (NH4)3PO4
Coefficient ofVariation 10% (for1 to 4 %), 5% (for 6 to 16 %)
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
Carbondioxide
1% or higher
Minus error
Nodiscoloration
Amines other thanaromatic amines
-
Plus error
Discolor to yellowstain


Othersubstance measurable with this detector tube


Substance
Correction Factor
Pump Strokes
Measuring Range
Dimethylamine
1.2
1
1.2 to19.2%