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Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron . Manganese was first isolated in the 1770s.
The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International.. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.
UN Number Class Proper Shipping Name UN 2701 to 2702? (UN No.s no longer in use) ... Manganese nitrate: UN 2725: 5.1: Nickel nitrate: UN 2726: 5.1: Nickel nitrite: UN ...
Group 7, numbered by IUPAC nomenclature, is a group of elements in the periodic table.It contains manganese (Mn), technetium (Tc), rhenium (Re) and bohrium (Bh). This group lies in the d-block of the periodic table, and are hence transition metals.
Mn(NO 3) 2: manganese(II) nitrate: 10377–66–9 MnO: manganese(II) oxide: 1344–43–0 MnO 2: manganese(IV) oxide: 1313–13–9 MnS: manganese(II) sulfide: 18820–29–6 MnSO 4: manganese(II) sulfate: 10034–96–5 MnSb: manganese(III) antimonide: 12032–82–5 MnSe: manganese(II) selenide: 1313–22–0 MnSe 2: manganese(IV) selenide ...
Screenshot of the CAS Common Chemistry database with information about caffeine ().. A CAS Registry Number [1] (also referred to as CAS RN [2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.
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Naturally occurring manganese (25 Mn) is composed of one stable isotope, 55 Mn. Twenty-seven radioisotopes have been characterized, with the most stable being 53 Mn with a half-life of 3.7 million years, 54 Mn with a half-life of 312.3 days, and 52 Mn with a half-life of 5.591 days.