Mining and minerals

ISO/DIS 11456 - Copper and zinc sulfide concentrates － Determination of silver content － Acid digestion and flame atomic absorption spectrometric or inductively coupled plasma optical emission spectrometric method
Categories: Metalliferous metals
Committee: ISO/TC 183 (Copper, lead, zinc and nickel ores and concentrates)
Origin: ISO
Close date: 20 Jan 2025
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ISO/DIS 7404-2 - Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples
Categories: Coals
Committee: ISO/TC 27/SC 5 (Methods of analysis)
Origin: ISO
Close date: 18 Feb 2025
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ISO/DIS 7404-3 - Coal — Methods for petrographic analysis — Part 3: Method of determining maceral group composition
Categories: Coals
Committee: ISO/TC 27/SC 5 (Methods of analysis)
Origin: ISO
Close date: 18 Feb 2025
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ISO/DIS 2950 - Brown coals and lignites — Classification by types on the basis of total moisture mass fraction and tar yield
Categories: Coals
Committee: ISO/TC 27/SC 5 (Methods of analysis)
Origin: ISO
Close date: 19 Feb 2025
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ISO/DIS 7404-4 - Coal — Methods for petrographic analysis — Part 4: Method of determining microlithotype, carbominerite and minerite composition
Categories: Coals
Committee: ISO/TC 27/SC 5 (Methods of analysis)
Origin: ISO
Close date: 19 Feb 2025
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ISO/DIS 7404-5 - Coal — Methods for petrographic analysis — Part 5: Method of determining microscopically the reflectance of vitrinite
Categories: Coals
Committee: ISO/TC 27/SC 5 (Methods of analysis)
Origin: ISO
Close date: 19 Feb 2025
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