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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Projects of NA 027

Number: 283

ISO/CD 14729 2025-09-25 Ophthalmic optics - Contact lens care products - Microbiological requirements and test methods for products and regimens for hygienic management of contact lenses More  Comment 
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 Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03); German version EN ISO 24016:2026 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 version EN ISO 23345:2026 More  Comment 
DIN EN ISO 8653 2025-09-01 Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:2016); German version EN ISO 8653:2026 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 version EN ISO 11596:2026 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 version EN ISO 22764:2026 More  Comment 
DIN EN ISO 24018 2025-09-01 Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020); German version EN ISO 24018:2026 More  Comment 
DIN EN 14387 rev 2025-08-22 Respiratory protective devices - Gas filter(s) and combined filter(s) - Requirements, testing, marking More  Comment 

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