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Standard ČSN ISO 13756 1.4.2025 preview

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ČSN ISO 13756 (421674)

Jewellery and precious metals - Determination of silver - Potentiometry using sodium chloride or potassium chloride

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STANDARD published on 1.4.2025


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The information about the standard:

Designation standards: ČSN ISO 13756
Classification mark: 421674
Catalog number: 520479
Publication date standards: 1.4.2025
SKU: NS-1217238
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Jewellery

Annotation of standard text ČSN ISO 13756 (421674):

Tato norma uvádí odměrnou metodu pro stanovení stříbra v materiálech považovaných za homogenní. Obsah stříbra v analyzovaném vzorku by měl ležet nejlépe mezi 100 a 999,0 %.

Ryzosti nad 999,0 % mohou být stanoveny Diferenční metodou s použitím ICP-OES (ISO 15096).

Tato metoda je určena jako referenční metoda pro stanovení ryzosti ve slitinách, na které se vztahuje norma ISO 9202

Preview of the standard ČSN ISO 13756 (421674)

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