Gasoline 0.015-1.2% Detection Tubes

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Item #: 101
MFG: GasTec
UOM: Box of 10
Min Order: 0
Order Qty: Must order in multiples of 1
$91.69 Was: $103.59
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Product Details

Gasoline 0.015-1.2% Detection Tubes

  • Detecting Limit - 0.003% (2 pump strokes)
  • Color Change - Yellowish brown to Greenish brown
  • Corrections for temperature and humidity - Unnecessary
  • Relative Standard Deviation - 10% (for 0.03 to 0.1%), 5% (for 0.1% to 0.6%)
  • Shelf Life - 3 years

Performance:

Measuring Range: 0.015 to 0.03% 0.03 to 0.6% 0.6 to 1.2%
Number of Pump Strokes: 2 (200 ml) 1 (100 ml) 1/2 (50 ml)
Correction Factor: 1/2 1 2
Sampling Time: 2 min 1 min 30 sec

Gasoline 0.015-1.2% Detection Tubes

Reaction Principle

CnHm + Cr6 + H2SO4 to Cr3+

Possible Coexisting Substances and their Interference:

Substance: Concentration: Interference: Changes Color by Itself to:
Acetylene ≧ 3 % Blackish Brown (Whole Layer)
Propane ≧ 0.2 % Blackish Brown (Whole Layer)
Aromatic Hydrocarbons ≧ 500 ppm + Greenish Brown
Alcohols, Esters, Ethers
+ Greenish Brown
Halogenated Hydrocarbons ≧ 5000 ppm
+ Greenish Brown
Hydrogen Sulphide ≧ 500 ppm + Greenish Brown
Sulphur Dioxide ≧ 500 ppm + Green

Other substances measurable with this detector tube:

Substance: Correction: No. of pump strokes: Measuring Range:
Heptane Factor : 2 1/2 0.6 to 1.2 %
Factor : 1.0 1 0.03 to 0.6 %
Factor : 0.5 2 0.015 to 0.03 %
Isooctane Factor : 0.9 1 0.027 to 0.54 %
Octane Factor : 1.2 1 0.036 to 0.72 %

Gasoline 0.015-1.2% Detection Tubes

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