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Precision Mechanical Jewelery, Jewelery Standards

Turkey's top quality inspection testing company, has been providing inspection and certification services. It provides test and audit certification services to all of the following standards.

 

TS EN 28653 Jewelery-Ring sizes-Description, measurement and brief display

TS EN 28654 Colors of gold alloys-Description color ranges and short representation

TS EN 1811 Reference test method for the release of nickel from products that may come into direct and prolonged skin contact  

TS EN 1811: 2011 / AC Reference test method for the release of nickel from products that may be in direct and prolonged skin contact  

TS ISO 13756 Determination of silver in silver jewelery alloys - Volumetric (potentiometric) method using sodium chloride or potassium chloride 

TS 7000 / T1 Trinket - Manufacture of precious metals and alloys  

TS EN ISO 18323 Jewelery - Customer confidence in the diamond industry  

TS EN ISO 9202 Jewelery; Setting of precious metal alloys 

TS EN ISO 11490 Jewelery - Determination of palladium on palladium trappings alloys Gravimetric determination with dimethylglyoxime  

TS EN ISO 11427 Jewelery - Determination of silver in silver jewelery alloys - Volumetric method using potassium bromide  

TS EN ISO 11494 Jewelery - Determination of platinum in platinum jewelery alloys - Using ICP-OES method using yttrium as an internal standard element  

TS EN ISO 11495 Trappings - Determination of palladium found in palladium trappings alloys - ICP-OES method using yttrium as an internal standard element 

TS EN 1810 Punched metals - Reference test method for the determination of nickel content - Flame atomic absorption spectrometer

TS EN 1904 Precious metals - Adjustment of welding metals used in jewelery alloys made of precious metals  

TS EN ISO 4524-3 Metallic coatings - Test methods for electrolytic gold and gold alloy coatings - Part 3: Electrographic tests for porosity 

TS ISO 10713 Trinket - Gold alloy plating  

TS EN ISO 11210 Determination of platinum in platinum jewelery alloys-Gravimetric method after precipitation of diammonium hexachloroplatinate 

TS EN ISO 11426 Determination of gold in gold jewelery alloys - Coupling method (fire test) 

TS EN ISO 11489 Determination of platinum in platinum alloy alloys - Gravimetric determination by reduction with mercury (1) chloride

TS EN 12613 Plastic visible signs for underground cables and pipelines