R-NH2 |
|
Performance
Measuring Range |
5 to 100 ppm |
Number of Pump Strokes |
1 |
Correction Factor |
1 |
Sampling Time |
1 minute per pump stroke |
Detecting Limit |
0.5 ppm (n=1) |
Colour Change |
Pink → Yellow to Brown |
Reaction Principle |
2RNH2 + H2SO4 → (RNH3)2SO4 |
Coefficient of Variation |
10% (for 5 to 20 %), 5% (for 20 to 100 %) |
Shelf Life |
3 Years |
Corrections for temperature & humidity |
Temperature correction is necessary |
Store the tubes at cool and dark place. |
Amines measurable with this detector tube
Substance |
Pump Stroke |
Correction Factor |
Measuring Range (ppm) |
Change colour to |
Allylamine |
1 |
1.7 |
8.5 to 170 |
Yellow |
Ammonia |
1 |
0.3 |
1.5 to 30 |
Yellow |
n-Butylamine |
1 |
1.6 |
8 to 160 |
Grayish red to Brown |
tert-Butylamine |
1 |
1.1 |
5.5 to 110 |
Pale brown |
Di-n-Butylamine |
1 |
1.0 |
5 to 100 |
Pale orange |
Cyclohexylamine |
1 |
1.4 |
7 to 140 |
Salmon pink |
Diethylamine |
1 |
1.1 |
5.5 to 110 |
Pale brown |
Diethylethanolamine |
1 |
1.2 |
6 to 120 |
Pale brown |
Diisopropylamine |
1 |
1.0 |
5 to 100 |
Pale orange |
Dimethylethanolamine |
1 |
1.3 |
6.5 to 130 |
Pale orange to Yellow |
Dimethylamine |
1 |
1.1 |
5.5 to 110 |
Salmon pink |
Dimethylaminopropylamine |
1 |
1.6 |
8 to 160 |
Grayish red |
N,N-Dimethylethylamine |
1 |
0.8 |
4 to 80 |
Yellow |
Dipropylamine |
1 |
0.8 |
4 to 80 |
Yellow |
N-Ethylmorphorine |
1 |
1.0 |
5 to 100 |
Yellow |
Ethylamine |
1 |
1.0 |
5 to 100 |
Yellow |
Ethylenediamine |
1 |
2.8 |
14 to 280 |
Yellow |
n-Hexylamine |
1 |
1.8 |
9 to 180 |
Pale orange |
Isopropylamine |
1 |
1.1 |
5.5 to 110 |
Salmon pink |
Methylamine |
1 |
1.0 |
5 to 100 |
Pale brown to Yellow |
N-Methylmorpholine |
1 |
1.0 |
5 to 100 |
Yellow |
N-Methyl pyrrolidone |
1 |
2.7 |
50 to 270 |
Yellow |
Monoethanolamine |
3 |
1.4 |
7 to 140 |
Yellow |
Morpholine |
1 |
1.8 |
9 to 180 |
Yellow |
Propylamine |
1 |
1.2 |
6 to 120 |
Salmon pink |
Propyleneimine |
1 |
1.1 |
5.5 to 110 |
Yellow |
Tetramethylenediamine |
1 |
1.7 |
8.5 to 170 |
Purple to Yellow |
Triethylamine |
1 |
0.9 |
4.5 to 90 |
Yellow |
Trimethylamine |
1 |
0.7 |
3.5 to 70 |
Yellow |
Calibration gas generation |
Permeation tube method |
TLV-TWA |
TLV-STEL |
Explosive range |
- |
- |
- |