UOM: Box of 10

Item #: 136L
MFG: GasTec
Sale: $81.63 Was: $83.78
$81.63

Methyl Bromide Detection Tubes (10 to 100 ppm)

136L | Measures Methyl Bromide With a Range of 2.5-200 ppm.Other substances measurable with this detection tube are Chlorobromomethane, 1,1-Dibromoethane, 1,2-Dibromoethane, Dibromoethane, Ethyl Bromide, n-Butyl Bromide, Benzyl Bromide, Bromoform (See table below for their information).Methyl Bromide

  • Measuring Range: 2.5 to 200 ppm
  • Number of Pump Strokes: 4, 1, 1/2
  • Correction Factor: 1/4, 1, 2
  • Sampling Time: 1.5 minutes per pump stroke
  • Detecting Limit: 0.5 ppm (n=4)
  • Reaction Principle:
    • 2CH3Br +I2O5+ H2S2O7 → Br 2 Br 2 +O-Tolidine → Yellow product
  • Coefficient of Variation: 10% (for 10 to 20 ppm), 5% (for 20 to 100 ppm)
  • Changes from White to Yellow
  • 2 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 1.1 1 11 to 110 ppm
1,1-Dibromoethane 0.7 1 7 to 70 ppm
1,2-Dibromoethane 0.8 1 8 to 80 ppm
Dibromomethane 0.5 1 5 to 50 ppm
Ethyl Bromide 1.0 1/2, 1, 4 2.5 to 200 ppm
n-Butyl Bromide 1.0 1 10 to 100 ppm
Benzyl bromide by scale 1 10 to 100 ppm
Bromoform by scale 1 1 to 50 ppm
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