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Standards in development (18)

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Standard TitleStatus
BS EN ISO 11426 Determination of gold in gold jewellery alloys - Cupellation method (fire assay)Publication
BS EN ISO 9202 Jewellery - Fineness of precious metal alloysPublication
BS ENISO 18323 Jewellery - Consumer confidence in the diamond industryApproval
Opens a new windowBS ENISO 8653 measurement and designationPublic Comment
BS ISO 11210 Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinatePublication
BS ISO 11427 Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromidePublication
BS ISO 11489 Determination of platinum in platinum jewellery alloys - Gravimetric determination by reduction with mercury(I) chloridePublic Comment
BS ISO 11490 Determination of palladium in palladium jewellery alloys - Gravimetric determination with dimethylglyoximePublication
BS ISO 11494 Jewellery - Determination of platinum in platinum jewellery alloys - Inductively coupled plasma (ICP) solution-spectrometric method using yttrium as internal standard elementPublication
BS ISO 11495 Jewellery - Determination of palladium in palladium jewellery alloys - Inductively coupled plasma (ICP) solution-spectrometric method using yttrium as internal standard elementPublication
BS ISO 13756 Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using sodium chloride or potassium chloridePublication
BS ISO 1413 Horology - Shock-resistant watchesPublication
BS ISO 15093 Jewellery - Determination of precious metals in 999 0/00 gold, platinum and palladium jewellery alloys - Difference method using inductively coupled plasma optical emission spectroscopy (ICP-OES)Publication
BS ISO 15096 Jewellery - Determination of silver in 999 0/00 silver jewellery alloys - Difference method using inductively coupled plasma optical emission spectroscopy (ICP-OES)Publication
BS ISO 19235 Analogue quartz clocks - Timing AccuracyAccepted
BS ISO 3160-2 Watch-cases and accessories - Gold alloy coverings Part 2: Determination of fineness, thickness, corrosion resistance and adhesionPublic Comment
BS ISO 3764 Timekeeping instruments - Movements - Types, dimensions and nomenclaturePublic Comment
PD ISO/TS 18684 Timekeeping instrument - Watch external parts made of hard material - General requirements and test methodsIdea

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