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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About NAFuO Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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 gold--Potentiometry using hydroquinone

Begin

2026-10-05

Planned document number

ISO/AWI 26929

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

Am DIN-Platz, Burggrafenstr. 6
10787 Berlin

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

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