For 35+ years A. P. BUCK, INC. has manufactured the most advanced and innovative instruments for indoor air sampling.We supply air sampling pumps and calibrators for industrial hygiene, indoor air quality, occupational health, environmental, health physics and safety disciplines. For more information on our product lines just click on the link that interests you.

                                               

Menu Menu
• Home
• Products
Products Products
Contact Contact us

A. P. BUCK INC.
7101 Presidents Dr.
Suite 110
Orlando, Fl. 32809
Phone: 800-330-2825 
Phone:407-851-8602
Fax: 407-851-8910

 

 Sulfur dioxide (SO2)
Item Item Details
(Price is for domestic US market only)
Sulfur dioxide (SO2)
Item Name:
Sulfur dioxide (SO2)
Item #:
GAS-5H

Product Image Gallery
Sulfur dioxide (SO2)
 
Sulfur dioxide SO2 NO.5H


Performance

Measuring Range

0.05 to 0.5%

0.5 to 4.0%

4.0 to 8.0%

Number of Pump Strokes

10 to 2

1

1/2

Correction Factor

1/2 to 1/10

1

2

Sampling Time

1 minute per pump stroke

Detecting Limit

0.01% (n=10)

Color Change

Orange Green

Reaction Principle

Sulfur dioxide reduces chromic acid to form
chromic sulfate, which is green in color.

Coefficient of Variation

10% (for 0.5 to 1 %), 5% (for 1 to 4 %)

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

Carbon monoxide

 -

No effect

No discoloration

Carbon dioxide

 -

No effect

No discoloration

Nitrogen dioxide

 -

No effect

No discoloration

Hydrogen sulfide

500 ppm

Plus error

No discoloration


Calibration gas generation High pressure gas cylinder method


TLV-TWA TLV-STEL Explosive range
2ppm 5ppm -

 
 Range 0.05-8%


Money Orders and personal Checks also Accepted, choose Pay By Mail during checkout!

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.

View A.P.BUCK INC. Privacy Policy and Legal Notice
A. P. Buck Inc.'s Quality Policy is in Compliance with IS0 9002-1994
©1999-2022 A.P. BUCK INC.

  Home   Products   Featured Products   Literature   PC Link Software   Service/RMA   About us   Contact Us   Promotional Items
A.P. Buck, Inc