Gastec 72L快速乙醇硫醇检测管C2H5SH(0.2-75ppm)

Indicator: 1~30ppm
Measuring Range: 
+ 0.2 to 0.5 ppm, Number of Pump Strokes 2
+ 0.5 to 30 ppm, Number of Pump Strokes 1
+ 30 to 75 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Red
Reaction Principle: C2H5SH + HgCl2 →C2H5SHgCl + HCl, HCl + Base→ Chloride
Coefficient of Variation: 10% (for 0.5 to 5 ppm), 5% (for 5 to 30 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

manual tube

Performance
Measuring Range
0.2 to 0.5 ppm 0.5 to 30 ppm 30 to 75 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 0.15 ppm (n=2)
Colour Change Yellow → Red
Reaction Principle

C2H5SH + HgCl2 →C2H5SHgCl + HCl
HCl + Base→ Chloride

Coefficient of Variation 10% (for 0.5 to 5 ppm), 5% (for 5 to 30 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
Hydrogen sulphide   + Red
Mercaptans   + Red
Acetylene   No No
Carbon monoxide   No No
Ethylene   No No
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.5 ppm(2014) - 2.8 to 18.2%
  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化