Projects

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Jewellery — Gold alloy coatings

90.92 Standard to be revised

ISO/TC 174

Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride

60.00 Standard under publication

ISO/TC 174

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

90.92 Standard to be revised

ISO/TC 174

Jewellery and precious metals — Determination of gold — Cupellation method (fire assay)

60.60 Standard published

ISO/TC 174

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

90.92 Standard to be revised

ISO/TC 174

Jewellery and precious metals — Determination of palladium — Gravimetry using dimethylglyoxime

60.00 Standard under publication

ISO/TC 174

Jewellery — Determination of palladium in palladium jewellery alloys — Gravimetric determination with dimethylglyoxime

90.92 Standard to be revised

ISO/TC 174

Jewellery and precious metals — Determination of platinum in platinum alloys — ICP-OES method using an internal standard element

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Determination of palladium in palladium alloys — ICP-OES method using an internal standard element

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Sampling of precious metals and precious metal alloys

60.60 Standard published

ISO/TC 174

Jewellery — Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using sodium chloride or potassium chloride

90.92 Standard to be revised

ISO/TC 174

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

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES

60.60 Standard published

ISO/TC 174

Jewellery — Consumer confidence in the diamond industry

90.93 Standard confirmed

ISO/TC 174

Jewellery and precious metals — Fineness of solders used with precious metal jewellery alloys

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Non destructive precious metal fineness confirmation by ED-XRF

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods

60.60 Standard published

ISO/TC 174

Jewellery and precious metals — Specifications for 1 kilogram gold bar

60.60 Standard published

ISO/TC 174