mercuric oxide
noun
: either of two forms of a slightly water-soluble crystalline poisonous compound HgO:
a
: a yellow finely divided powder obtained usually by precipitation from solutions of mercuric chloride and sodium hydroxide and used in antiseptic ointments
b
: a bright red coarse powder obtained by precipitation from hot solutions or by heating a nitrate of mercury and used similarly to the yellow form
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“Mercuric oxide.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/mercuric%20oxide. Accessed 29 Nov. 2024.
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