A rapid stream of dry hydrogenchloride is introduced into the mixture.
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A stream of dry hydrogenchloride is passed into the mixture.
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The chemical reaction can produce hydrogenchloride gas.
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The tank contained hydrogenchloride, which reacts with moisture in the atmosphere to form hydrochloric acid when released, the fire department said.
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An alternative procedure which is slower and gives slightly lower yields, but does not require a hydrogenchloride generator, is as follows:
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Two kilograms of concentrated sulfuric acid and 750 g. of concentrated hydrochloric acid are sufficient to produce the necessary amount of hydrogenchloride.
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The former is connected to a hydrogenchloride generator, the latter to a catch-bottle and some system for absorbing any excess of hydrogenchloride.
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Among the pollutants released by the Baytown refining and chemical plant complex are benzene, hydrogenchloride, hydrogen sulfide, sulfur dioxide and nitrogen oxide, Carman said.
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Hydrogenchloride gas escaped when a hose snapped, but the incident became known only yesterday.