检测认证人脉交流通讯录
- 氨水氨气检测管3DL NH3 Ammonia，Measuring Range 0.1 to 10 ppm Sampling Hours 1 to10 hours Detecting Limit 0.02 ppm (10 hours)氨水氨气检测管价格，氨水氨气检测管3DL NH3 Ammonia
氨水氨气检测管3DL NH3 Ammonia的详细介绍
氨水氨气检测管3DL NH3 Ammonia Ammonia No.3DL
NH3
Performance
Measuring Range
0.1 to 10 ppm
Sampling Hours
1 to10 hours
Detecting Limit
0.02 ppm (10hours)
Color Change
Pink → Yellow
Reaction Principle
2NH3 + H2SO4 → (NH4)2SO4
Coefficient ofVariation 10%(for 1 to 10 ppm-hr)
ShelfLife 2 Year
Correctionsfor
temperature & humidity Temperature correction isnecessary
Store the tubes atcool and dark place.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Interference
Change colour byitself to
Amines
+
Yellow
Hydrazine +
Yellow
Othersubstance measurable with this detectortube
Substance
CorrectionFactor
SamplingTime
MeasuringRange
Methyl amine
1.9
1 to10 hours
0.19to 19 ppm
Trimethylamine
2.3
1 to 10 hours 0.23to 23 ppm
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
25 ppm 35ppm 15 to28%
