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Water Vapor (H2O)
Item Item Details
(Price is for domestic US market only)
Water Vapor (H2O)
Item Name:
Water Vapor (H2O)
Item #:
GAS-6L

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Water vapor H2O NO.6L


Performance

Measuring Range

0.05 to 1 mg/l

1 to 2 mg/l

Number of Pump Strokes

1

1/2

Correction Factor

1

2

Sampling Time

30 seconds per pump stroke

Detecting Limit

0.03 mg/l (n=1)

Color Change

Yellow Purple

Reaction Principle

Water vapor is absorbed by reagent to produce
alkaline to discolor the indicator to purple.

Coefficient of Variation 10% (for 0.05 to 0.2 mg/l), 5% (for 0.2 to 1 mg/l)
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

Alcohols

100 ppm

Unclear demarcation

Greenish purple stain
(Whole layer)

Aldehydes

-

Unclear demarcation

Ketones

-

Unclear demarcation

Nitriles

-

Unclear demarcation

Hydrocarbons

-

No effect

No discoloration

Nitrogen dioxide

-

No effect

No discoloration

Sulfur dioxide

100 ppm

Plus error

No discoloration

Ammonia 10 ppm Unclear demarcation Yellowish green


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
- - -
Range 0.5-2mg/l


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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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