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Gastec 13M 二硫化炭素クイック測定検出器チューブ CS2(20〜4000ppm)

Indicator: 50 to 1600 ppm
Measuring Range: 
+ 20 to 50 ppm, Number of Pump Strokes 2
+ 50 to 1600 ppm, Number of Pump Strokes 1
+ 1600 to 4000 ppm, Number of Pump Strokes 1/2
Sampling Time:  1.5 minutes per pump stroke
Colour Change: Purple → Yellow
Reaction Principle: CS2 + I2O5 + H2S2O7 → SO2 + CO2, SO2 + BaCl2 + H2O → BaSO3 + 2HCl, HCl + Base → Chloride 
Coefficient of Variation: 10% (for 50 to 400 ppm), 5% (for 400 to 1600 ppm)
Nr. of tests: 5
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
20 to 50 ppm 50 to 1600 ppm 1600 to 4000 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
0.4 1 2.5
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 10 ppm (n=2)
Colour Change Purple → Yellow
Reaction Principle CS2 + I2O5 + H2S2O7 → SO2 + CO2
SO2 + BaCl2 + H2O → BaSO3 + 2HCl
HCl + Base → Chloride
Coefficient of Variation 10% (for 50 to 400 ppm), 5% (for 400 to 1600 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
sulphur dioxide   + Yellow
Hydrogen sulphide   + Yellow
Lower class HCs 1000 ppm + Yellow
Carbonyl sulphide   + Yellow
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
1 ppm(2014) - 1.3 to 50%

 

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