Organ could produce gas (5)

I believe the answer is:

argon

'gas' is the definition.
(argon is a gas)

'organ could produce' is the wordplay.
'could produce' is an anagram indicator (I've seen this in other clues).
'organ' anagrammed gives 'ARGON'.

(Other definitions for argon that I've seen before include "Gaseous element" , "Inert gas in atmosphere" , "Gas, inert constituent of air" , "17 [GAS]" , "Gas used in electric lights" .)

I've seen this clue in The Sun.

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