Ammonium Dichromate - Introduction, Products, Patents, Process, Study, Company Profiles, Reports

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Ammonium Dichromate is an odorless, bright orange to red, crystalline (sand - like) solid. It is used in dyeing textiles, as a pigment and oxidizing agent, and in metal treatment. Ammonium dichromate is produced by a crystallzation process involving equivalent amounts of sodium dichromate and ammonium sulfate. Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of tabletop "volcanoes". It has been used in pyrotechnics and in the early days of photography. Cr(VI) compounds include: ammonium dichromate ((NH4)2Cr2O7); calcium chromate (CaCrO4); chromium trioxide or chromic acid (CrO3); lead chromate (PbCrO4); potassium chromate (K2CrO4); potassium dichromate (K2Cr2O7); sodium chromate (Na2CrO4); strontium chromate (SrCrO4); and zinc chromate (ZnCrO4). It is also used as a mordantfor dyeing pigments, in the manufacturing of alizarin, chrome alum, leather tanning and oil purification. Hexavalent chromium is a toxic form of the metal chromium. It is widely used in many industries. Major industrial uses of Cr(VI) compounds include: chromate pigments in dyes, paints, inks, and plastics; chromates added as anticorrosive agents to paints, primers, and other surface coatings; and chromic acid electroplated onto metal parts to provide a decorative or protective coating. Cr(VI) can also be formed when performing “hot work” such as welding on stainless steel, melting chromium metal, or heating refractory bricks in kilns. In these situations the chromium is not originally hexavalent, but the high temperatures involved in the process result in oxidation that converts the chromium to a hexavalent state.	Introduction Ammonium Dichromate - Fact Sheet Production, Use, Occurrence and Analysis Ammonium Dichromate Volcano Ammonium Dichromate Msds Dichromic acid Ammonium dichromate Ammonium dichromate Msds Ammonium Dichromate - Msds Chromic Acid Msds - Ammonium Dichromate Ammonium Dichromate, Granular. Purified. Ammonium Bichromate Ammonium bichromate - Msds Msds - Ammonium bichromate Diammonium salt Diammonium salt - Msds Msds - Diammonium salt Products Ammonium Dichromate Pure Assay 99% 250g. Ammonium Dichromate - Product Data Sheet Ammonium Dichromate LR Ammonium Dichromate LR 500gm Patents Process for the production of lightfast phase holograms utilizing ammonium dichromate and gelatin as photosensitive recording material Dye sensitized dichromated gelatin holographic material Photoresist dichromate composition containing gelatin coated particles Method for making etch-resistant stencil with dichromate-sensitized alkali-caseinate coating Biphasic process for epoxidation of olefinic compound using chromate or dichromate catalyst Negative-working dichromate photoresist composition, process for applying it to a polymethyl methacrylate surface, and article produced	Applications Hexavalent Chromium in Cement Manufacturing: Literature Review Effects of Ammonium Dichromate Photoengraving and Lithographic Processes Hexavalent Chromium Photography Company Profiles Company from Canada Company from Germany Company from Gujarat Company from Hyderabad Company from Maharashtra Company from New-Jersey Company from UK Company from US Suppliers Suppliers List Worldwide Suppliers Indian Suppliers List of Suppliers Manufacturers List Consultants Company from India Company from Texas Reports Background document for ammonium dichromate Ammonium dichromate poisoning Chromium Hexavalent Compounds Hexavalent Compounds Small Entity Compliance Guide for the Hexavalent Chromium Standards Hexavalent Chromium Engineering Industry Perspective Hexavalent Perspective Textile and Footwear Products Risk Management Order the CD ROM Today
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