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NA 021

DIN Standards Committee Iron and Steel

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Projects of NA 021

Number: 137

DIN EN 10048 rev 2025-10-31 Hot rolled narrow steel strip - Tolerances on dimensions and shape More  Comment 
ISO/CD 4701 2025-10-20 Iron ores and direct reduced iron - Determination of size distribution by sieving More  Comment 
ISO/AWI 3085 2025-10-20 Iron ores - Experimental methods for checking the precision of sampling, sample preparation and measurement More  Comment 
ISO/CD 4691 2025-10-08 Iron ores - Determination of titanium - Diantipyrylmethane spectrophotometric method More  Comment 
ISO/CD 2598-2 2025-10-08 Iron ores - Determination of silicon content - Part 2: Reduced molybdosilicate spectrophotometric method More  Comment 
ISO/CD 4694 2025-10-08 Iron ores - Determination of fluorine content - Ion-selective electrode method More  Comment 
ISO/CD 2599 2025-10-08 Iron ores - Determination of phosphorus content - Titrimetric method More  Comment 
ISO/CD 4687-1 2025-10-08 Iron ores - Determination of phosphorus content - Part 1: Molybdenum blue spectrophotometric method 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 

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