Chelant
BG 29/2021 Pre-Commission Cleaning of Pipework Systems, Amended 6th edition, written by Chris Parsloe and Martin Ronceray, published by BSRIA in partnership with the Closed Systems Control Association (CSCA) in March 2021, defines a chelant or chelating agent as: ‘An organic compound causing a substance which would normally be insoluble to be held in solution or to pass into solution.’
--BSRIA
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