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Gastec 115 2-丁醇检测管 CH3CH2CH(OH)CH3(5~150 ppm)

Indicator: 10 to 150 ppm
Measuring Range: 5 to 150 ppm, Number of Pump Strokes 3
Sampling Time: 2 minute per pump stroke
Colour Change: Yellow → Pale blue
Reaction Principle: CH3CH2CH(OH)CH3 + Cr6+ + H3PO4 → Cr3+
Coefficient of Variation: 15% (for 5 to 50 ppm), 10% (for 50 to 150 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range 5 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 CH3CH2CH(OH)CH3 + Cr6+ + H3PO4 → Cr3+
Coefficient of Variation 15% (for 5 to 50 ppm), 10% (for 50 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
100 ppm (2014) - 1.7 to 9.8%

 

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