sulphur dioxide

noun

1. Systematic name: sulphur(IV) oxide. a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs ( E220 ), bleaching, and disinfecting. Formula: SO 2

Example Sentences

The processing of phosphate rock into fertiliser emits toxic gases such as sulphur dioxide and ammonia.

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In addition to the danger of the release of toxic sulphur dioxide gas, just being exposed to dust particles from the concentrate can damage a person’s respiratory system.

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Pinatubo, the resulting half a degree of global cooling was the result of about 15 million tonnes of sulphur dioxide injected into the stratosphere.

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Authorities later said the area around Grindavik was evacuated after sulphur dioxide was detected, sparking fears of a nearby opening in the ground.

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The project entails converting sulphur dioxide into sulphuric acid, which is then neutralised with limestone to generate gypsum waste.

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