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NA 021

DIN Standards Committee Iron and Steel

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Projects of NA 021

Number: 157

ISO/AWI 3085 2025-10-20 Iron ores - Experimental methods for checking the precision of sampling, sample preparation and measurement More  Comment 
ISO/CD 5418-2 2025-10-08 Iron ores - Determination of copper - Part 2: Flame atomic absorption spectrometric method More  Comment 
ISO/CD 7834 2025-10-08 Iron ores - Determination of arsenic content - Molybdenum blue spectrophotometric method More  Comment 
ISO/CD 7335 2025-10-08 Iron ores - Determination of combined water content - Karl Fischer titrimetric method More  Comment 
ISO/CD 9035 2025-10-08 Iron ores - Determination of acid-soluble iron(II) content - Titrimetric method More  Comment 
ISO/CD 9517 2025-10-08 Iron ores - Determination of water-soluble chloride - Ion-selective electrode method More  Comment 
ISO/CD 13311 2025-10-08 Iron ores - Determination of lead content - Flame atomic absorption spectrometric method More  Comment 
ISO/CD 11534 2025-10-08 Iron ores - Determination of tin - Flame atomic absorption spectrometric method More  Comment 
ISO/CD 16042 2025-10-08 Iron ores - Guidelines for the use of certified reference materials (CRMs) More  Comment 
ISO/CD 11459 2025-10-08 Iron ores - Certified reference materials - Preparation and certification for use in chemical analysis More  Comment 

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