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A. P. BUCK INC.
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Suite 110
Orlando, Fl. 32809
Phone: 800-330-2825 
Phone:407-851-8602
Fax: 407-851-8910

 

 Nitrogen dioxide (NO2)
Item Item Details
(Price is for domestic US market only)
Nitrogen dioxide (NO2)
Item Name:
Nitrogen dioxide (NO2)
Item #:
GAS-9L

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Nitrogen dioxide (NO2)
 
Nitrogen dioxide NO2 NO.9L


Performance

Measuring Range

0.5 to 30 ppm

30 to 125 ppm

Number of Pump Strokes

2

1

Correction Factor

1

By Scale

Sampling Time

1 minute per pump stroke

Detecting Limit

0.1 ppm (n=2)

Color Change

White Yellowish Orange

Reaction Principle

Nitrogen dioxide reduces o-tolidine to form
nitroso-o-tolidine of yellowish orange color.

Coefficient of Variation

10% (for 0.5 to 3 ppm), 5% (for 3 to 30 ppm)

Shelf Life 3 Years
Corrections for
temperature & humidity		 Unnecessary
Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Ammonia

 -

No effect

No discoloration

Carbon monoxide

 -

No effect

No discoloration

Carbon dioxide

 -

No effect

No discoloration

Nitric oxide

50 ppm

Faint demarcation

Pale red color

Bromine, Chlorine

1/5 times

Plus error

Yellowish orange color

Sulfur dioxide

10 ppm

Bleach the discoloration

No discoloration

Organic vapors

 -

No effect

No discoloration


Other substance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Iodine

0.4

2

0.2 to 12 ppm


Calibration gas generation Permeation tube method


TLV-TWA TLV-STEL Explosive range
3ppm 5ppm -


 
 Range 0.5-125


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Notice: This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures. A.P. BUCK Inc reserves the right to make changes to information, features, and specifications of any product without notice. A.P. BUCK Inc has made every effort to ensure the accuracy of information displayed on this Website, however, A.P. BUCK Inc. is not responsible for typographical errors appearing on this Website. Price and availability information is subject to change without notice.

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