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Gastec 114 Quick-measuring Detector tubes 1-Butanol CH3CH2CH2CH2OH (10 ~ 150 ppm)

  • Manufacturer: Gastec
    Model: 114
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Manufacture: Gastec
Model: 114
Origin: Japan

Indicator: 10 ~ 150 ppm
Measuring Range: 10 ~ 150 ppm, Number of Pump Strokes 3
Sampling Time: 2 minutes per pump stroke
Colour Change: Yellow → Pale blue
Reaction Principle: CH3(CH2)3OH + Cr6++ H3PO4 → Cr3+
Coefficient of Variation: 15% (for 2.5 to 30 ppm), 10% (for 30 to 150 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 10 to 150 ppm
Number of Pump Strokes 3
Correction Factor 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 1 ppm (n=3)
Colour Change Yellow → Pale blue
Reaction Principle CH3(CH2)3OH + Cr6++ H3PO4 Cr3+
Coefficient of Variation 15% (for 2.5 to 30 ppm), 10% (for 30 to 150 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Alcohols   + Pale blue
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
20ppm - 1.4 to 11.2%

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