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Questions regarding the testing of total sulfur content in coal? ? ?

2009-04-10View Original

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I would like to ask fellow sailors: in the experiment for determining the total sulfur content in coal, when the coal is heated in oxygen, the carbon in the coal also converts to CO2, which then enters the H2O2. Why isn’t the effect of CO2 dissolving in water to form carbonic acid and thereby consuming sodium hydroxide taken into account during the titration with sodium hydroxide? ? ?

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