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Ethanol -C2Humidity Correction5OH
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(Price is for domestic US market only)
Ethanol -C2Humidity Correction5OH
Item Name:
Ethanol -C2Humidity Correction5OH
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Ethanol C2Humidity Correction5OH NO.112D



Measuring Range

100 to 25000 ppm

Sampling Hours

1 to 10 hours

Detecting Limit

0.05 ppm (10 hours)

Color Change

Yellow Brown

Reaction Principle

Ethanol reduces cromic acid to discolor brown stain.
C2Humidity Correction5OH + Cr6+ H2SO4 Cr3+

Coefficient of Variation

15% (for 1000 to 3000 ppm-hr), 10% (for 3000 to 25000 ppm-hr)

Shelf Life 3 Years
Corrections for
temperature & humidity
Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)




Change color by itself



No effect

No discoloration

Isopropyl alcohol 1time Plus error Discolor brown

Calibration gas generation Static gas dilution method

TLV-TWA TLV-STEL Explosive range
1000ppm - 3.3 to 19%

Range 100-2500

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