Jewellery
| Possibility to assess jewellery and accessories such as : |
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Trendy jewellery (gold flashed, gold plated, silver plated, rhodium plated..) |
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Buttons, closing devices (clasps) |
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Piercings |
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Metallic components for leather goods |
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Medals, badges |
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Cutlery |
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Gold plate |
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Packaging for luxury goods |
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Pitting corrosion (on plated piece) |
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| Specific tests for jewellery and accessories |
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Coating thickness and adhesion |
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Composition and fineness of precious coatings |
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Sunlight test (UV) |
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Corrosion tests (artificial sweat, salt spray, tropical climate) |
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Thioacetamide corrosion test |
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Wear test |
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Mechanical behaviour (tensile, bend, impact) |
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Mechanical resistant of glued bonds |
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Nickel release test (allergy) |
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Agreement with national and international regulations on allergenics and toxical substances (Hexavalent chromium, azo dyes, PCP, TCP, formaldehyde) |
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Accelerated ageing tests (corrosion, wear, sulphurizing) |
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Sulphurizing on silver |
Corrosion
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