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.

                                               

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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-4HP

Product Image Gallery
Hydrogen sulfide (H2S)

Hydrogen sulfide H2S NO.4HP

4HP


Performance

Measuring Range

0.25 to 0.5%

0.5 to 10 %

10 to 20 %

Number of Pump Strokes

2

1

1/2

Correction Factor

1/2

1

2

Sampling Time

3 minutes per pump stroke

Detecting Limit

0.1% (n=2)

Color Change

Pale Blue Blackish Brown

Reaction Principle

Hydrogen sulfide reacts with cupric sulfate to form
cupric sulfide, which is blackish brown.

Coefficient of Variation 10% (for 0.5 to 3 %), 5% (for 3 to 10 %)
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

 -

Produces blackish brown and dark blue color

Produces dark blue stain

Sulfur dioxide

2.5%

Minus error

No discoloration

Mercaptans

5 %

Plus error

No discoloration


Calibration gas generation High pressure gas cylinder method


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


 

 
 Range 0.25-20%


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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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