Isopropyl Alcohol Detection Tubes (25 to 800 ppm)

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Item #: 113L
MFG: GasTec

UOM: Box of 10

$90.43 Was: $103.07
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Isopropyl Alcohol Detection Tubes (25 to 800 ppm)

Gastec Detection Tube No. 113L measures Isopropyl Alcohol with a Range of 20-800 ppm.

  • Measuring Range: 20 to 50 ppm, 50 to 800 ppm
  • Number of Pump Strokes: 2, 1
  • Correction Factor: 0.4, 1
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 15 ppm (2 pump strokes)
  • Color Change: Pale vermilion → Pale blue
  • Corrections for temperature & humidity: Temperature correction is necessar
  • Reaction Principle: CH3CH(OH)CH3 + Cr6+ + H2SO4 → Cr3+
  • Relative Standard Deviation: 15% (for 50 to 200 ppm), 10% (for 200 to 800 ppm)
  • 3 Year Shelf Life
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Alcohols + Pale Blue
Acetone ≦ 1200 ppm No No (≦ 1200)
Ethyl acetate ≦ 450 ppm No No (≦ 450 ppm)
Toluene ≦ 230 ppm No No (≦ 230 ppm)
Benzene ≦ 75 ppm No No

Other substances measurable with this detector tube

Substance: Correction Factor: No of Pump Strokes: Measuring Range:
(ppm)
Propyl alcohol by scale 1 130 to 560
Vinyl trimethoxysilane by scale 2 6.5 to 25.0
Divinyl methoxysilane by scale 2 6.5 to 25.0
Ethylene glycol
monomethyl ether
by scale 2 75 to 760
Ethylene glycol
monoethyl ether
by scale 2 110 to 1000
Ethylene glycol
monobutyl ether
by scale 2 200 to 1000
Ethylene glycol
monomethyl ether acetate
(2-Methoxyethyl acetate)
by scale 2 300 to 1300