ammonium dichromate


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ammonium dichromate

[ə′mōn·yəm dī′krō‚māt]
(inorganic chemistry)
(NH4)2Cr2O7 A salt that forms orange, monoclinic crystals; made from ammonium sulfate and sodium dichromate; soluble in water and alcohol; ignites readily; used in photography, lithography, pyrotechnics, and dyeing. Also known as ammonium bichromate.
References in periodicals archive ?
His earliest inkling of a future career was second grade, when he watched his teacher create the classic chemical volcano, using ammonium dichromate.
Cr(VI) chemicals include: chromium oxide (Cr02) * ammonium dichromate (NH4Cr207) * calcium chromate (CaCr04) * chromium trioxide (chromic acid) (Cr03) * lead chromate (PbCr04) * potassium dichromate (K2Cr207) * sodium chromate (Na2Cr04) * strontium chromate (SrCr04) * and zinc chromate (Zn_Cr04):