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Amines (R-NH2)
Item Item Details
(Price is for domestic US market only)
Amines (R-NH2)
Item Name:
Amines (R-NH2)
Item #:
GAS-180L

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Amines R-NH2 NO.180L


Performance

Measuring Range

0.5 to 10 ppm

Number of Pump Strokes

1

Correction Factor

1

Sampling Time

1 minutes per pump stroke

Detecting Limit

0.1ppm (n=1)

Color Change

Pink Yellow to Pale orange

Reaction Principle

Amines neutralize sulfuric acid to discolor the reagent to
Yellow to Pale orange or grayish purple.
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 color by itself

Ammonia

-

Plus error

Discolor to yellow

Aniline, Hydrazine, Pyridine

-

Plus error

Yellow to brown discoloration

Amines, Amidos

-

Plus error

Yellow to brown discoloration


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

Correction

Detecting
Range(ppm)

Color Change

Allylamine 1 0.8 0.4 to 8 Yellow or Pale orange
Butylamine 1 1.1 0.55 to 11 Yellow or Pale orange
Cyclohexylamine 1 1.0 0.5 to 10 Yellow or Pale orange
Di-n-butylamine 1 0.8 0.4 to 8 Yellow or Pale orange
Diethylamine 1 0.9 0.45 to 9 Yellow or Pale orange
Diethylaminoethanol 1 1.2 0.6 to 12 Yellow or Pale orange
Diethylenetriamine 1 1.9 0.95 to 19 Grayish purple
Diisopropylamine 1 0.6 0.3 to 6 Yellow or Pale orange
Dimethylamine 1 0.9 0.45 to 9 Yellow or Pale orange
2-Dimethylaminoethanol 1 1.3 0.65 to 13 Yellow or Pale orange
Dimethylaminopropylamine 1 1.2 0.6 to 12 Yellow or Pale orange
N,N-Dimethylethylamine 1 0.6 0.3 to 6 Yellow or Pale orange
Dipropylamine 1 0.7 0.35 to 7 Yellow or Pale orange
Ethanolamine 1 3.9 1.95 to 39 Grayish purple
Ethylamine 1 0.9 0.45 to 9 Yellow or Pale orange
Ethylenediamine 1 1.8 0.9 to 18 Yellow or Pale orange
N-Ethylmorpholine 1 0.6 0.3 to 6 Yellow or Pale orange
Hexamethylenediamine 1 3.1 1.55 to 31 Grayish purple
Hexylamine 1 1.3 0.65 to 13 Yellow or Pale orange
Isopropylamine 1 0.9 0.45 to 9 Yellow or Pale orange
Methylamine 1 1.0 0.5 to 10 Yellow or Pale orange
Morpholine 1 1.0 0.5 to 10 Yellow or Pale orange
N-Methylmorpholine 1 0.6 0.3 to 6 Yellow or Pale orange
Pentamethylenediamine 1 1.5 0.75 to 15 Grayish purple
Propylamine 1 1.0 0.5 to 10 Yellow or Pale orange
Propyleneimine 1 0.7 0.35 to 7 Yellow or Pale orange
Tetramethylenediamine 1 1.6 0.8 to 16 Grayish purple
Triethylamine 1 0.6 0.3 to 6 Yellow or Pale orange
Trimethylamine 1 0.5 0.25 to 5 Yellow or Pale orange


Calibration gas generation Permeation tube method


TLV-TWA TLV-STEL Explosive range
- - -


Range 0.25-39


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