Amines R-NH2 NO.180


Performance

Measuring Range

5 to 100ppm

Number of Pump Strokes

1

Correction Factor

1

Sampling Time

1 minute per pump stroke

Detecting Limit

0.5 ppm (n=1)

Color Change

Pink Yellow to Brown

Reaction Principle

Amines neutralize sulfuric acid to discolor the reagent to Yellow to Brown
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.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Amines, Ammonia

@

Plus error

Discolor to yellow

Aniline, Hydrazine, Pyridine

@

Plus error

Yellow to brown discoloration

Amidos

@

No

No discoloration


Other substance measurable with this detector tube
The Tube 180 can also be used to detect the following substances with correction factors
Substance Pump Stroke

Correction

Detecting
Range(ppm)
Color Change
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
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