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氨氣檢測管3L Ammonia NH3 的詳細介紹氨氣檢測管3L Ammonia NH3 Ammonia No.3L
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 ofVariation10% (for5 to 20 ppm)， 5% (for 20 to 100 ppm)ShelfLife3YearsCorrectionsforSubstance
Concentration
Interference
Change color by itself
Carbondioxide
1%
-
NoHydrazine
-+
Yellow
Amines
1/15
+
Yellow ( 5ppm)
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