STN - Slovak standards

Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)

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Determination of silver in silver jewellery alloys. Volumetric (potentiometric) method using potassium bromide

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Precious metals. The finenesses of solders used with precious metal jewellery alloys

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Jewellery - Consumer confidence in the diamond industry (ISO 18323:2015)

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Chemical analysis of Pt-Ir and Pt-Rh alloys. Determination of platinum

Available languages: Czech

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Chemical analysis of Pt-Ir and Pt-Rh alloys. Determination of iridium

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Chemical analysis of Pt-Ir and Pt-Rh alloys. Determination of rhodium

Available languages: Czech

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Jewellery and precious metals - Determination of platinum - Gravimetry using ammonium chloride (ISO 11210:2023)

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Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation of diammonium hexachloroplatinate

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Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:2014)

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