Nitric Acid Detection Tubes (0.1 to 40 ppm)

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Item #: 15L
MFG: GasTec

UOM: Box of 10

$88.57 Was: $98.92
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Nitric Acid Detection Tubes (0.1 to 40 ppm)

Measures Nitric Acid with a measuring range of 0.1 to 40 ppm

  • Measuring Range:
    • 0.1 to 1 ppm
    • 1 to 20 ppm
    • 20 to 40 ppm
  • Number of Pump Strokes: 2 to 10, 1, 1/2
  • Correction Factor: 1/2 to 1/10, 1, 2
  • Sampling Time: 30 seconds per pump stroke
  • Detecting Limit: 0.05 ppm (10 pump strokes)
  • Color Change: Yellow → Reddish purple
  • Corrections for temperature & humidity: Humidity correction is necessary
  • Reaction Principle: HNO3 + Indicator → Reaction product
  • Relative Standard Deviation: 15% (for 1 to 5 ppm), 10% (for 5 to 20 ppm)
  • Store the tubes at cool and dark place.

Possible coexisting substances and their interferences:

Substance Concentration Interference Changes color by itself to
Hydrogen chloride ≧ 1/10 + Reddish purple
Chlorine No Bleaches
Carbon monoxide No No
Nitrogen dioxide No No
Organic solvents No No

Other substance measurable with this detector tube

Substance: Correction Factor: No. of Pump Strokes: Measuring Range:
Hydrogen bromide 0.8 1 0.8 to 16 ppm
Trichloroacetic acid by scale 1 1 to 37.5 ppm