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NA 027

DIN Standards Committee Optics and Precision Mechanics

About NAFuO Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

Project

Jewellery and precious metals - Determination of silver - Cupellation method (fire assay)

Begin

2025-02-24

Planned document number

ISO/AWI 25643

Responsible national committee

NA 027-04-04 AA - Methods of analysis for determination of fineness of precious metals

Responsible international committee

ISO/TC 174/WG 1 - Methods for determining fineness

Contact

Dipl.-Ing. (FH)

Petra Bischoff

Alexander-Wellendorff-Str. 2
75172 Pforzheim

Tel.: +49 7231 9188-31
Fax: +49 7231 9188-33

Send message to contact

Economic benefits

DIN SPEC

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