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Standard ČSN EN ISO 11427 1.10.2024 preview

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ČSN EN ISO 11427 (420656)

Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide

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STANDARD published on 1.10.2024


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The information about the standard:

Designation standards: ČSN EN ISO 11427
Classification mark: 420656
Catalog number: 519726
Publication date standards: 1.10.2024
SKU: NS-1198957
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Jewellery

Annotation of standard text ČSN EN ISO 11427 (420656):

This document specifies a volumetric method for the determination of silver on a material considered homogeneous. The silver content of the sample lies preferably between (100 and 999,0) parts per thousand (%) by mass. Fineness above 999,0 % can be determined using a spectroscopy method by difference (e.g. ISO 15096).

This method is intended to be used as the reference method for the determination of fineness in alloys covered by ISO 9202

Preview of the standard ČSN EN ISO 11427 (420656)

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Latest update: 2025-01-01 (Number of items: 2 218 016)
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