SPOT TEST GAS DETECTION TUBES

Detector Tube 250S For Dimethyl Sulphide

Kitagawa Gas Detector Tube For The Detection Of Dimethyl Sulphide. 

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Dimethyl Sulphide is commonly used for odorant for LPG, food flavour for coffee, chocolate and cocoa synthetic intermediate and synthetic oils etc. Kitagawa's Detector Tube 250S can detect dimethyl sulphide and has a measuring range of 0.21-100ppm with readings going from pink > pale yellow. 

Detector tubes and pumps are available from all Air-Met offices Australia wide. 

  • Measuring range: 0.21-100ppm
  • ISO 9001 and ISO 14001 certified 
  • Sampling time of 3 minutes/1 pump stroke
  • 3 years shelf life
Tube 250S Dimethyl Sulphide
Performance
Measuring Range 0.21-7.9 ppm 1-40 ppm 2.1-100 ppm
Number of Pump Strokes 4 (400ml) 1 (100ml) 1/2 (50ml)
Sampling Time 3 minutes / 1 pump stroke
Detectable Limit 0.1 pp, (400ml)
Shelf Life 3 years (stored in cool, dark place)
Operating Temperature 0~40°C (32-104°F)
Temperature Compensation Necessary (See "TEMPERATURE CORRECTION TABLE In Specifications")
Operating Relative Humidity
0?90% R.H. for 1/2 and 1 pump strokes (0-40?)
0?90% R.H. for 4 pump strokes (0-30?)
0?50% R.H. for 4 pump strokes (30-40?)
Reading Direct reading from the scale calibrated by 1 pump strokes
Colour Range Pink→ Pale yellow
Relative Standard Deviation RSD-low: 10%  RSD-mid.:10%  RSD-high:10%
Chemical Reaction Potassium permanganate is reduced. 
(CH)2S + KMnO4 → Pale yellow reaction products
Calibration of the Tube Diffusion Tube Method
Interference & Coexistence

Mercaptans and Butane will produce similar stain and will give higher readings. Under the condition of asbolute humidity at more than 3mg/L, hydrogen sulphide (H2S) does not affect the reading otherwise the H2S will produce a similar stain and gives higher reading. 

Propane does not affect the reading if the concentration is less than 0.8%.  

Qty Per Box 10 detector tubes

 

  • Detection of Dimethyl Sulphide