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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-111

Product Image Gallery
Methanol (CH3OH)
 
Methanol CH3OH NO.111
111


Performance

Measuring Range

0.002 to 0.004%

0.004 to 0.02%

0.02 to 1.5%

1.5 to 4.5%

Number of Pump Strokes

4

2

1

1/2

Correction Factor

1/9

1/5

1

3

Sampling Time

3 minutes per pump stroke

Detecting Limit

0.0004% (n=4)

Color Change

Pink Pale Blue

Reaction Principle

Isopropyl alcohol reduces potassium dichromate to
form chromic sulfate, which is pale blue in color
CH3OH + Cr6+ + H2SO4 Cr3+

Coefficient of Variation

15% (for 0.02 to 0.5 %), 10% (for 0.5 to 1.5 %)

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

Other alcohols

 -

Plus error

Produce similar stain by themselves

Carbon dioxide

 -

No effect

No discoloration

Carbon monoxide

 -

No effect

No discoloration

Sulfur dioxide

 -

No effect

No discoloration


Calibration gas generation Static gas dilution method


TLV-TWA TLV-STEL Explosive range
200ppm 250ppm 6 to 36%
 
 Range 0.002-4.5%


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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