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hydrogen sulphide

British  

noun

  1. Also called: sulphuretted hydrogen.  a colourless poisonous soluble flammable gas with an odour of rotten eggs: used as a reagent in chemical analysis. Formula: H 2 S

"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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NRW says it has identified the smell as hydrogen sulphide.

From BBC Jun. 2, 2024

"They are highly vulnerable to corrosion," and to CO2, or hydrogen sulphide, both of which are found in subsea well environments, he said.

From Science Daily Apr. 18, 2024

Alekperov said the Yamama formation at the West Qurna 2 oilfield has proved difficult to tap because it contains high levels of hydrogen sulphide.

From Reuters Sep. 7, 2021

But 30 days later, one band of mud had become paler, suggesting some hydrogen sulphide had gone missing.

From Science Magazine Aug. 19, 2020

The water still further cools the gas and at the same time partially removes such gaseous products as hydrogen sulphide and ammonia, which are soluble in water.

From An Elementary Study of Chemistry by McPherson, William

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