Complex Mixtures - SEMA Gases

Complex Mixtures | SEMA Gases

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Complex Mixtures

SEMA Gases is a manufacturer of span gases in disposable cylinder cans from the Netherlands, established from the want to create a label which is applicable for all brands of gas detection equipment. The products of SEMA Gases are used for calibration of portable gas detection instruments and calibration of fixed gas detection systems. SEMA Gases produces single gases (flammable gases, oxygen, toxic gases) and gas mixtures (2, 3, 4 or 5 gas mixtures) in various cylinder size up to 110 ltr.

Complex Mixtures – Calibration Gases

34L 58L 110L Cert. tol. Prod. tol. Stability
(months)
10 ppm Benzene
10 ppm Ethyl-Benzene
10 ppm Toluene
10 ppm M-Xylene
10 ppm O-Xylene
10 ppm P-Xylene
Balance Nitrogen
Available Available Available +/- 10% +/- 20% 60
100 ppm Hydrogen
500 ppm Carbon Dioxide
500 ppm Carbon Monoxide
500 ppm Ethane
500 ppm Ethylene
500 ppm Acetylene
500 ppm Methane
Balance Air 
Available Available Available +/- 10% +/- 20% 60
100 ppm Methane
100 ppm Ethane
100 ppm Propane
100 ppm Butane
100 ppm Pentane
100 ppm Hexane
Balance Air 
Available Available Available +/- 2% +/- 10% 60

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