UOM: Box of 10

Item #: 136H
MFG: GasTec
Sale: $89.00 Was: $97.16
$89.00

Methyl Bromide Detection Tubes (10 to 600 ppm)

136H | Measures Methyl Bromide With a Range of 10-600 ppm.Other substances measurable with this detection tube are Chlorobromomethane, 1,2-Dibromoethane, n-Butyl Bromide (See table below for their information).Methyl Bromide

  • Measuring Range: 10 to 600ppm
  • Number of Pump Strokes: 2, 1, 1/2
  • Correction Factor: 1/2, 1, 2
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 4 ppm (n=2)
  • Reaction Principle:
    • 2CH3Br +I2O5+ H2S2O7 → Br 2 Br 2 +O-Tolidine → Yellow product
  • Coefficient of Variation: 10% (for 20 to 100 ppm), 5% (for 100 to 300 ppm)
  • Changes from White to Yellow
  • 3 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): 1
  • Store the tubes at cool and dark place.
  • Comes in a Box of 5 pre tubes and 5 detector tubes

Other substance measurable with this detector tube

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
Chlorobromomethane
0.9 1
18 to 270 ppm
1,2-Dibromoethane 0.7 1 14 to 210 ppm
n-Butyl Bromide 1.2 1 24 to 360 ppm
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