NBN EN 31427:1994

NBN EN 31427:1994

Superseded Historical

Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993)

€50.00

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NBN EN 28654:1993

NBN EN 28654:1993

Superseded Historical

Colours of gold alloys - Definition, range of colours and designation (ISO 8654:1987)

€50.00

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NBN EN 29202:1993

NBN EN 29202:1993

Superseded Historical

Jewellery - Fineness of precious metal alloys (ISO 9202:1991)

€50.00

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NBN ISO 18214:2024

NBN ISO 18214:2024

Active Most Recent

Jewellery and precious metals — Determination of high purity gold, silver, platinum and palladium — Difference method using SPARK-OES

€58.00

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NBN EN 1904:2001

NBN EN 1904:2001

Active Most Recent

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

€58.00

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NBN EN 28653:1993

NBN EN 28653:1993

Active Most Recent

Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:1986)

€58.00

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CR 12471:2002

CR 12471:2002

Superseded Historical

Screening tests for nickel release from alloys and coatings in items that come into direct and prolonged contact with the skin

€50.00

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NBN EN 12472:2006

NBN EN 12472:2006

Withdrawn Most Recent

Method for the simulation of wear and corrosion for the detection of nickel release from coated items

€50.00

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ISO 10713:1992 (R2019)

ISO 10713:1992 (R2019)

Superseded Historical

Jewellery — Gold alloy coatings

This product is not for sale, please contact us for more information

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BS EN 29202:1993

BS EN 29202:1993

Superseded Historical

Jewellery. Fineness of precious metal alloys

€172.00

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BS EN 28654:1993

BS EN 28654:1993

Withdrawn Most Recent

Colours of gold alloys. Definition, range of colours and designation

€172.00

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BS EN 31426:1994

BS EN 31426:1994

Superseded Historical

Determination of gold in gold jewellery alloys. Cupellation method (fire assay)

€281.00

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BS EN 31427:1994

BS EN 31427:1994

Superseded Historical

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

€172.00

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UNE-EN 16128:2011

UNE-EN 16128:2011

Superseded Historical

Reference test method for release of nickel from those parts of spectacle frames and sunglasses intended to come into close and prolonged contact with the skin

€64.00

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UNE-EN 16128:2016

UNE-EN 16128:2016

Active Most Recent

Ophthalmic optics - Reference method for the testing of spectacle frames and sunglasses for nickel release

€85.00

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