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

 

 Hydrogen sulfide (H2S)
Item Item Details
(Price is for domestic US market only)
Hydrogen sulfide (H2S)
Item Name:
Hydrogen sulfide (H2S)
Item #:
GAS-4M

Product Image Gallery
Hydrogen sulfide (H2S)
 
Hydrogen sulfide H2S NO.4M


Performance

Measuring Range

12.5 to 25 ppm

25 to 250 ppm

250 to 500 ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

1/2

1

2

Sampling Time

30 seconds per pump stroke

Detecting Limit

2.5 ppm (n=2)

Color Change

White Brown

Reaction Principle

Hydrogen sulfide reacts with lead acetate
to form lead sulfide, which color is brown.

Coefficient of Variation 5% (for 25 to 250 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

Nitrogen dioxide

1/4 timer

Minus error

No discoloration

Sulfur dioxide

1 time

Plus error

No discoloration

Mercaptans

 -

No effect

No discoloration


Calibration gas generation Permeation tube method


TLV-TWA TLV-STEL Explosive range
10ppm 15ppm 4.0 to 44%

 
 Range 12.5-500


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