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Is the estimation of the explosive limit for mixed gases correct?

2017-11-27View Original

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At atmospheric pressure, there are 4 explosive gases, and the limiting concentration of their mixtures is known to be 8000 mg/m3; However, the proportions of the 4 gases may change. The extreme estimate assumes that everything is one type of gas, with the rest being air. Using a concentration of 8000 mg/m3, and dividing by the density of that gas at standard pressure, the volume is determined; the volume concentration is then calculated, and it turns out to be below its lower explosive limit ; Each gas is estimated in this way, all below their lower explosion limits ; Can it be concluded that, at atmospheric pressure, regardless of how the proportions of these gases change, as long as the limit concentrations do not exceed the given values, the mixed gas will necessarily be below its lower explosive limit? ?

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