Gastec 147 快速乙酸戊酯检测管CH3CO2C5H11(10~200 ppm)

Indicator: 10 ~ 200 ppm 
Measuring Range: 10 ~ 200 ppm , Number of Pump Strokes 2
Sampling Time: 2 minute per pump stroke
Colour Change: Yellow → Pale blue
Reaction Principle: CH3CO2(CH2)4CH3 + Cr6+ + H2SO4 → Cr3+
Coefficient of Variation: 15% (for 10 to 50 ppm), 10% (for 50 to 200 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 10 to 200 ppm
Number of Pump Strokes 2
Correction Factor 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 2 ppm (n=2)
Colour Change Yellow → Pale blue
Reaction Principle CH3CO2(CH2)4CH3 + Cr6+ + H2SO4 → Cr3+
Coefficient of Variation 15% (for 10 to 50 ppm), 10% (for 50 to 200 ppm)
Shelf Life 2 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
Ketones   + Pale blue
Esters   + Pale blue
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
50 ppm(2014) 100 ppm(2014) 1.1 to 7.5%
  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化