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sulphur dioxide

British  

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Activists link the complex and its emissions of particulate matter and sulphur dioxide to an estimated 16,530 premature deaths.

From Barron's Feb. 19, 2026

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.

From BBC Aug. 11, 2024

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

From BBC Jul. 20, 2024

This not only releases large amounts of CO2, but also produces toxic gases such as sulphur dioxide.

From Science Daily Oct. 20, 2023

Three general ways may be mentioned for the preparation of sulphur dioxide: 1.

From An Elementary Study of Chemistry by McPherson, William

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