Jewellery and precious metals. Determination of platinum in platinum alloys. ICP-OES method using an internal standard element
€193.00
Jewellery. Colours of gold alloys. Definition, range of colours and designation
€269.00
Jewellery and precious metals. Grading polished diamonds. Terminology, classification and test methods
€374.00
Jewellery and precious metals. Specifications for 1 kilogram gold bar
€165.00
BS ISO 5724. Jewellery and precious metals. Determination of very high purity gold. Difference method using ICP-MS
€23.00
BS ISO 19376-1 Jewellery and precious metals - Vocabulary Part 1: Precious units
BS EN 1811. Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin
BS EN ISO 11427. Jewellery and precious metals. Determination of silver in silver alloys. Potentiometry using potassium bromide
BS ISO 13756. Jewellery and precious metals. Determination of silver in silver alloys. Potentiometry using sodium chloride or potassium chloride
BS EN ISO 11210. Jewellery and precious metals. Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation using ammonium chloride
BS EN ISO 11490. Jewellery and precious metals. Determination of palladium in palladium alloys. Gravimetric determination after precipitation using dimethylglyoxime
BS ISO 18214. Jewellery and precious metals. Determination of high purity gold, silver, platinum and palladium. Difference method using SPARK-OES
Method for measuring and designating the size of rings used in jewellery
Specification for colours of gold alloys
€95.00
Diamond pyramid hardness numbers