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prEN ISO 23345

Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021)

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DIN EN ISO 23345

Jewellery and precious metals - Non-destructive precious metal fineness confirmation by ED-XRF (ISO 23345:2021); German and English version prEN ISO 23345:2025

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DIN EN ISO 18227

Environmental solid matrices – Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025); German version EN ISO 18227:2025

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