Isopropyl Alcohol Detection Tubes (20 to 440 ppm)

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Item #: 113LL
MFG: GasTec

UOM: Box of 10

$90.43 Was: $108.57
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Isopropyl Alcohol Detection Tubes (20 to 440 ppm)

Gastec Detection Tube No. 113LL measures Isopropyl Alcohol with a Range of 20 to 460 ppm

  • Measuring Range: 20 to 200 ppm, 300 yo 460 ppm
  • Number of Pump Strokes: 2, 1
  • Correction Factor: 1, 2.3
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 7 ppm (2 pump strokes)
  • Changes from Pale vermilion to Pale blue
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle: CH3CH(OH)CH3 + Cr6+ + H2SO4 → Cr3+
  • Relative Standard Deviation: 10% (for 20 to 60 ppm), 4% (for 60 to 200 ppm)
  • 2 Year Shelf Life
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Interference Changes color by itself to
Alcohols + Pale blue
Esters, Ketones No No
Aliphatic hydrocarbons No No
Aromatic hydrocarbons No No

Other substance measurable with this detector tube:

Substance: Correction Factor No. of Pump Strokes: Measuring Range:
(ppm)
Propyl alcohol by scale 2 55 to 170
Ethylene glycol
monobutyl ether
by scale 2 60 to 400
Ethylene glycol
monoethyl ether
2.3 2 46 to 460
Ethylene glycol
monomethyl ether
2.2 2 44 to 440
1-Methoxy-2-propanol 1.3 2 26 to 260