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Toluene (C6Humidity Correction5CH3)
Item Item Details
(Price is for domestic US market only)
Toluene (C6Humidity Correction5CH3)
Item Name:
Toluene (C6Humidity Correction5CH3)
Item #:

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Toluene C6Humidity Correction5CH3 NO.122DL



Measuring Range

2 to 500 ppm

Sampling Hours

1 to 10 hours

Detecting Limit

2 ppm (10 hours)

Color Change

White Brown

Reaction Principle

Toluene react with formaldehyde to form
condensation polymer, which is brown in color.

Coefficient of Variation 10% (for 20 to 500 ppm-hr)
Shelf Life 2 Years
Corrections for
temperature & humidity
Temperature correction is necessary
Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)



Change color by itself

Aromatic HCs

Plus error

Produce brown stain

Alcohols, Ketones, Esters

No effect(30ppm)

No stain

Other substance measurable with this detector tube



Sampling Hours

Measuring range


Factor: 1.7

1 to 10

3.4 to 850 ppm

Ethyl benzene Factor: 1.4 1 to 10 2.8 to 700 ppm
Cumene Factor: 1.7 1 to 10 3.4 to 850 ppm
Benzene Factor: 1.2 1 to 10 2.4 to 600 ppm

Calibration gas generation Diffusion tube method

TLV-TWA TLV-STEL Explosive range
50ppm - 1.4 to 6.7%

Range 2-500

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