Definition of zinc hydrosulfite
: a crystallizable salt ZnS2O4 made by addition of sulfur dioxide to a warm aqueous slurry of zinc dust (as in the manufacture of sodium hydrosulfite) and used as a bleach; zinc dithionite
—not used systematically
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“Zinc hydrosulfite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zinc%20hydrosulfite. Accessed 18 Aug. 2022.
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