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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

 

 Phosphine (PH3)
Item Item Details
(Price is for domestic US market only)
Phosphine (PH3)
Item Name:
Phosphine (PH3)
Item #:
GAS-7LA

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Phosphine (PH3)
 
Phosphine PH3 NO.7LA
7LA


Performance

Measuring Range

0.05 to 0.1 ppm

0.1 to 1.5 ppm

1.5 to 2.5 ppm

2.5 to 9.8 ppm

Pump Strokes

10

5

3

1

Correction Factor

1/2

1

1.7

6.5

Sampling Time

1.5 minutes per pump stroke

Detecting Limit

0.02 ppm (n = 10)

Color Change

Yellow Red

Reaction Principle

Phosphine reacts with mercuric chloride to produce
Hydrogen chloride to discolor the indicator to red.

Coefficient of Variation 10% (for 0.1 to 0.4 ppm), 5% (for 0.4 to 1.5 ppm)
Shelf Life 2 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

Arsine

1/10 time

Plus error

Produces red stain

Hydrogen chloride

 -

No effect

No discoloration

Diborane

 -

No effect

No discoloration


Calibration gas generation High pressure gas cylinder method


TLV-TWA TLV-STEL Explosive range
0.3ppm 1ppm -
 
 Range 0.05-9.8


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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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