Gastec 180L 快速胺类检测管 R-NH2(0.5~10 ppm)

Indicator: 1 to 10 ppm
Measuring Range: 0.5 to 10 ppm, Number of Pump Strokes 1
Sampling Time: 1 minutes per pump stroke
Colour Change: Pink → Yellow to Pale orange or Grayish purple
Reaction Principle: 2RNH2 + H2SO4 → (RNH3)2SO4 
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Manual tube

Performance
Measuring Range 0.5 to 10 ppm
Number of Pump Strokes 1
Correction Factor 1
Sampling Time 1 minute per pump stroke
Detecting Limit 0.1 ppm (n=1)
Colour Change Pink → Yellow to Pale orange or Grayish purple
Reaction Principle 2RNH2 + H2SO4 → (RNH3)2SO4
Coefficient of Variation 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Shelf Life 2 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Ammonia   + Yellow
Aniline, Hydrazine, Pyridine   + Yellow to Brown
Amines, Amidos   + Yellow to Brown
Other substance measurable with this detector tube
Substance Pump Stroke Correction Factor Measuring Range (ppm) Change colour to
Allylamine 1 0.8 0.4 to 8 Pale orange
Butylamine 1 1.1 0.55 to 11 Pale orange
Cyclohexylamine 1 1.0 0.5 to 10 Pale orange
Di-n-butylamine 1 0.8 0.4 to 8 Pale orange
Diethylamine 1 0.9 0.45 to 9 Pale orange
Diethylaminoethanol 1 1.2 0.6 to 12 Pale orange
Diethylenetriamine 1 1.9 0.95 to 19 Grayish purple(Pale orange at the end of staining)*
Diisopropylamine 1 0.6 0.3 to 6 Pale orange
Dimethylamine 1 0.9 0.45 to 9 Pale orange
2-Dimethylaminoethanol 1 1.3 0.65 to 13 Pale orange
Dimethylaminopropylamine 1 1.2 0.6 to 12 Pale orange
N,N-Dimethylethylamine 1 0.6 0.3 to 6 Pale orange
Dipropylamine 1 0.7 0.35 to 7 Pale orange
Ethanolamine 1 3.9 1.95 to 39 Grayish purple(Pale orange at the end of staining)*
Ethylamine 1 0.9 0.45 to 9 Pale orange
Ethylenediamine 1 1.8 0.9 to 18 Pale orange
N-Ethylmorpholine 1 0.6 0.3 to 6 Pale orange
Hexamethylenediamine 1 3.1 1.55 to 31 Grayish purple(Pale orange at the end of staining)*
Hexylamine 1 1.3 0.65 to 13 Pale orange
Isopropylamine 1 0.9 0.45 to 9 Pale orange
Methylamine 1 1.0 0.5 to 10 Pale orange
Morpholine 1 1.0 0.5 to 10 Pale orange
N-Methylmorpholine 1 0.6 0.3 to 6 Pale orange
Pentamethylenediamine 1 1.5 0.75 to 15 Grayish purple(Pale orange at the end of staining)*
Propylamine 1 1.0 0.5 to 10 Pale orange
Propyleneimine 1 0.7 0.35 to 7 Pale orange
Tetramethylenediamine 1 1.6 0.8 to 16 Grayish purple(Pale orange at the end of staining)*
Triethylamine 1 0.6 0.3 to 6 Pale orange
Trimethylamine 1 0.5 0.25 to 5 Pale orange
* Pale orange when low concentration
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
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