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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

 

 Methanol (CH3OH)
Item Item Details
(Price is for domestic US market only)
Methanol (CH3OH)
Item Name:
Methanol (CH3OH)
Item #:
GAS-111L

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Methanol (CH3OH)
 
Methanol CH3OH NO.111L
111L


Performance

Measuring Range

20 to 40 ppm

40 to 1000 ppm

Number of Pump Strokes

2

1

Correction Factor

1/2

1

Sampling Time

4 minutes per pump stroke

Detecting Limit

5 ppm (n=2)

Color Change

Pink Pale blue

Reaction Principle

Methyl alcohol reduces potassium dichromate to
form chromic sulfate, which is blue in color
CH3OH + Cr2+ + H2SO4 Cr3+

Coefficient of Variation

15% (for 40 to 200 ppm), 10% (for 200 to 1000 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

Alcohols

 -

Plus error

Produce similar stain by themselves.
Other substance measurable with this detector tube

Substance

Correction

Pump Strokes

Measuring Range

Ethylene Chlorohydrine

by scale

3

20 to 200 ppm


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
200ppm 250ppm 6 to 36%
 
 Range 20-1000


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.

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