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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Projects of NA 027

Number: 263

ISO/AWI TS 25364-4 2025-09-17 Analytical chemistry matters associated with ISO 10993-18 - Part 4: Critical aspects of extract viability in extractables and leachables testing using non-targeted analysis (NTA) More  Comment 
ISO/AWI 26016 2025-09-16 Jewellery and precious metal--Grading cultured pearl--Terminology, classification and test methods More  Comment 
DIN EN ISO 24016 2025-09-01 EN ISO 24016, Jewellery and precious metals -Grading polished diamonds - Terminology, classification and test methods More  Comment 
DIN EN ISO 11596 2025-09-01 Jewellery and precious metals - Sampling of precious metals and precious metal alloys (ISO 11596:2021); German and English version prEN ISO 11596:2025 More  Comment 
DIN EN ISO 22764 2025-09-01 Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020); German and English version prEN ISO 22764:2025 More  Comment 
DIN EN ISO 8653 2025-09-01 Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:2016); German and English version prEN ISO 8653:2025 More  Comment 
DIN EN ISO 24018 2025-09-01 Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020); German and English version prEN ISO 24018:2025 More  Comment 
DIN EN ISO 23345 2025-09-01 Jewellery and precious metals - Non-destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021); German and English version prEN ISO 23345:2025 More  Comment 
DIN EN 14387 rev 2025-08-22 Respiratory protective devices - Gas filter(s) and combined filter(s) - Requirements, testing, marking More  Comment 
DIN ISO 6425 2025-08-22 Horology - Diver's watches More  Comment 

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