Chrome alum
Chrome Chrome, n. Same as {Chromium}. [1913 Webster]

{Chrome alum} (Chem.), a dark violet substance, {(SO4)3Cr2.K2SO4.24H2O}, analogous to, and crystallizing like, common alum. It is regarded as a double sulphate of chromium and potassium.

{Chrome green} (a) The green oxide of chromium, {Cr2O3}, used in enamel painting, and glass staining. (b) A pigment made by mixing chrome yellow with Prussian blue.

{Chrome red}, a beautiful red pigment originally prepared from the basic chromate of lead, but now made from red oxide of lead.

{Chrome yellow}, a brilliant yellow pigment, {PbCrO4}, used by painters. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • chrome alum — n. an alum of which one of the components is chromium; esp., potassium chromium sulfate, KCr(SO4) 2·12H2O, used in tanning and dyeing …   English World dictionary

  • Chrome alum — Potassium chromium sulfate Preferred IUPAC name Chromium potassium sulfate[ …   Wikipedia

  • chrome alum — 1. Also called ammonium chrome alum, ammonium chromic sulfate. a green, crystalline, water soluble powder, chromium ammonium sulfate, CrNH4(SO4)2·12H2O, used chiefly as a mordant in dyeing. 2. a violet, crystalline, water soluble powder,… …   Universalium

  • chrome alum — chromo alūnas statusas T sritis chemija formulė KCr(SO₄)₂·12H₂O atitikmenys: angl. chrome alum rus. хромовые квасцы ryšiai: sinonimas – kalio chromo bis(tetraoksosulfatas) dodekahidratas …   Chemijos terminų aiškinamasis žodynas

  • chrome alum — chrome′ al um n. chem. a violet powder, CrK(SO4)2∙12H2O, used in photography, in tanning, and as a mordant in dyeing …   From formal English to slang

  • chrome alum — /kroʊm ˈæləm/ (say krohm aluhm) noun a dark violet double sulphate of chromium and potassium, KCr(SO4)2.12H2O, crystallising like common alum, and used in dyeing …   Australian English dictionary

  • chrome alum — noun a violet colored salt used in hide tanning and as a mordant in dyeing • Hypernyms: ↑mordant, ↑salt …   Useful english dictionary

  • ammonium chrome alum — Chem. See chrome alum (def. 1). * * * …   Universalium

  • ammonium chrome alum — Chem. See chrome alum (def. 1) …   Useful english dictionary

  • Einarson gallocyanin-chrome alum stain — See under stain …   Medical dictionary

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