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Ethanol -C2Humidity Correction5OH
Item Item Details
(Price is for domestic US market only)
Ethanol -C2Humidity Correction5OH
Item Name:
Ethanol -C2Humidity Correction5OH
Item #:
GAS-112D

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Ethanol C2Humidity Correction5OH NO.112D

112D


Performance

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
Unnecessary
Store the tubes at cool and dark place.


Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Methanol,Esters

-

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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