rhodammonium

R1H4O1D2A1M3M3O1N1I1U1M3

noun

A cation, Rh₂(NH₃)₁₀⁶⁺, containing rhodium and ammonia.

Scrabble 22

Meanings

nounrhodammonium (uncountable)
  1. obsoleteuncountablechemistryA cation, Rh₂(NH₃)₁₀⁶⁺, containing rhodium and ammonia.

    Rhodammonium Hydroxide, Rh₂(NH₃) ₁₀ (OH)₆, is obtained by warming rhodammonium chloride with water and silver oxide, and evaporating the solution.

    1891, Henry Enfield Roscoe, Carl Schorlemmer, A Treatise on Chemistry: Metals, page 436
    3 more examples

    Rhodammonium Compounds. By S. M. JÖRGENSEN (J. pr. Chem. [2], 25, 346-348).— The author has prepared and cursorily examined some of the rhodammonium compounds, and has found them to be strictly analogous to the cobalt- and chrom-ammonium compounds.

    1882, “Abstracts of Chemical Papers”, in Journal of the Chemical Society - Part 2, page 1173

    When the ammoniacal compound is mixed with excess ammonia and the solution filtered and concentrated, a yellow salt is obtained, which, on treatment with water, loses ammonium chloride and forms rhodammonium trichloride, 10NH₃Rh₂Cl₆.

    1896, Thomas Edward Thorpe, The metals, page 399

    Other addition agents such as lead acetate and potassium dichromate, lead acetate and ammonium chloride, sodium thiosulphate with rhodammonium or with potassium dichromate and ammonium sulphate have been added

    1951, Sheet Metal Industries, volume 28, page 948

Origin

Cite this entry
APA

rhodammonium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rhodammonium

MLA

“rhodammonium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rhodammonium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “rhodammonium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rhodammonium.

Source: rhodammonium on Wiktionary, CC BY-SA 4.0.