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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

 

 Mercaptans (R-SH)
Item Item Details
(Price is for domestic US market only)
Mercaptans (R-SH)
Item Name:
Mercaptans (R-SH)
Item #:
GAS-70

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Mercaptans (R-SH)
 
Mercaptans R-SH NO.70
70


Performance

Measuring Range

0.5 to 5 ppm

5 to 120 ppm

Number of Pump Strokes

2 to 10

1

Correction Factor

1/2 to 1/10

1

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.2 ppm (n=10)

Color Change

White Yellow

Reaction Principle

Mercaptans react with Palladium sulfate to produce Yellow stain

Coefficient of Variation

10% (for 5 to 40 ppm), 5% (for 40 to 120 ppm)

Shelf Life 3 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

Carbon monoxide

2000 ppm

Plus error

Pale brown for whole layer

Hydrogen sulfide

500 ppm

Plus error

No discoloration

Acetylene, Ethylene

2000 ppm

Plus error

Pale brown for whole layer


Other substance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Eutyl mercaptan

1.0

1 or 2 to 10

0.5 to 120 ppm

Isopropyl mercaptan

2.0

 1

10 to 240 ppm

Metyl mercaptan 1.0 1 or 2 to 10

0.5 to 120 ppm

Propy mercaptan 4.5 1

22.5 to 540 ppm


Calibration gas generation Permeation tube method


TLV-TWA TLV-STEL Explosive range
- - -


 
 Range 0.5-120


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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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