Below is a listing of projects past and present carried out by the Saint Lucia Bureau of Standards.
Jewellery — Determination of platinum in platinum jewellery alloys — Gravimetric method after precipitation of diammonium hexachloroplatinate
90.93 Standard confirmed
Jewellery and precious metals — Determination of gold — Cupellation method (fire assay)
60.60 Standard published
Jewellery — Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide
90.93 Standard confirmed
Jewellery and precious metals — Determination of palladium — Gravimetry using dimethylglyoxime
60.60 Standard published
Jewellery and precious metals — Determination of platinum in platinum alloys — ICP-OES method using an internal standard element
60.60 Standard published
Jewellery and precious metals — Determination of palladium in palladium alloys — ICP-OES method using an internal standard element
60.60 Standard published
Jewellery and precious metals — Sampling of precious metals and precious metal alloys
60.60 Standard published
Jewellery — Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using sodium chloride or potassium chloride
90.93 Standard confirmed
Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OES
60.60 Standard published
Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES
60.60 Standard published
Jewellery and precious metals — Fineness of solders used with precious metal jewellery alloys
60.60 Standard published
Jewellery and precious metals — Non destructive precious metal fineness confirmation by ED-XRF
60.60 Standard published
Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods
60.60 Standard published
Jewellery and precious metals — Specifications for 1 kilogram gold bar
90.20 Standard under periodical review
Jewellery — Ring-sizes — Definition, measurement and designation
90.60 Close of review