Isobutyl Acetate Detection Tubes (10 to 300 ppm)

There are no reviews yet. | Write a review
Item #: 144
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$97.20 Was: $104.29
View additional buying options

Isobutyl Acetate Detection Tubes (10 to 300 ppm)

Gastec Detection Tube No. 144 measures Isobutyl Acetate with a Range of 10 to 300 ppm.

  • Measuring Range: 10 to 300 ppm
  • Number of Pump Strokes: 2 (200 ml)
  • Correction Factor: 1
  • Sampling Time: 2 minutes per pump stroke
  • Detecting Limit: 2 ppm (2 pump strokes)
  • Changes from Yellow to Blackish Brown
  • Corrections for temperature & humidity: Temperature correction is necessary
  • Reaction Principle: CH3CO2CH2CH(CH3)2 + Cr6+ + H2SO4 → Cr3+
  • Relative Standard Deviation: 15% (for 10 to 100 ppm), 10% (for 100 to 300 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
Alochols + Blackish brown
(few minutes later)
→ Pale blue
Esters + Blackish brown
(few minutes later)
→ Pale blue
Ketones + Blackish brown
(few minutes later)
→ Pale blue