sodium bisulfate
noun
variants
or less commonly sodium acid sulfate
: a crystalline salt NaHSO4 that gives an acid reaction in solution, that is usually made by the reaction of sulfuric acid with common salt or sodium sulfate, and that is used chiefly as a flux in pickling metals and as an acid ingredient in dyeing and cleaning compositions; sodium hydrogen sulfate
called also niter cake
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“Sodium bisulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20bisulfate. Accessed 22 Nov. 2024.
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