Standards Development
| Reference | Standards description | Committee | Status |
|---|---|---|---|
| BS EN ISO 9202 |
Jewellery and precious metals — Fineness of precious metal alloys Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Public comment |
| BS ISO 19919 |
Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Comment resolution |
| BS ISO 21261-3 |
ISO 21261-3 Jewellery and precious metals. Responsible precious metals. Part 3: Requirements for recycled gold Categories: Recycling | Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Public comment |
| BS ISO 19376-1:2025 |
Jewellery and precious metals. Vocabulary. Precious metals and units Categories: Precision mechanics. | Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS ISO 10713:2025 |
Jewellery and precious metals. Gold alloy coatings Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS ISO 18214:2024 |
Jewellery and precious metals. Determination of high purity gold, silver, platinum and palladium. Difference method using SPARK-OES Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS EN ISO 11427:2024 |
Jewellery and precious metals. Determination of silver. Potentiometry using potassium bromide Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS ISO 6893:2024 |
Jewellery and precious metals. Inspection of batches of small diamonds. Terminology, classification and test methods Categories: Precision mechanics. | Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS ISO 13756:2024 |
Jewellery and precious metals. Determination of silver. Potentiometry using sodium chloride or potassium chloride Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |
| BS ISO 5724:2023 |
Jewellery and precious metals. Determination of very high purity gold. Difference method using ICP-MS Categories: Jewellery |
STI/53 Specifications and test methods for jewellery and horology | Published standard |