April 12, 2021, 08:25:42 PM
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Topic: Determining the concentration of gases  (Read 146 times)

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Offline Boruto

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Determining the concentration of gases
« on: April 05, 2021, 12:13:25 PM »
Hello everyone,,
How can i determine the concentration of gases such as Hydrogen Sulfide (H2S), Nitrogen Dioxide(NO2), Carbon Dioxide(CO2), Sulfur Dioxide(SO2)?? Can it be done by titration i.e. volumetric analysis or is there any other method to do so?

Offline chenbeier

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Re: Determining the concentration of gases
« Reply #1 on: April 08, 2021, 01:37:11 PM »
There a gas sensors in the market to detect directly digital. Of course you can absorb acidic gases like SO2, CO2, NO2, etc, on NaOH, CaO, etc. and do a back titration .

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