CEN/TC 133

Copper and copper alloys

Standardization in the field of unwrought, wrought and cast products made from copper and copper alloys, including: - designations, terminology; - material specifications; - conditions of delivery; - dimensions and tolerances; - methods of testing peculiar to copper alloys.

P member

CEN/TC 209

Zinc and zinc alloys

Standardization in the field of zinc and zinc alloys; such as ingots, flat rolled products for building, casting, secondary zinc, methods of analysis for zinc and zinc alloys, zinc and zinc alloys for other applications, scraps.

P member

CEN/TC 220

Tin and tin alloys

Standardization of composition, general performance requirements, sampling and test methods in the field of ingot tin, pewter and pewterware and low melting point castings, as well as methods of analysis including spectrometry of ingot tin and pewter.

P member

CEN/TC 283

Precious metals - Applications in jewellery and associated products

Standardization of precious metals used in jewellery and associated products. This includes the terminology and main characteristics of products manufacture using precious metals. Standardization of methods of analysis and sampling related to the nickel content in piercing posts assemblies and nickel release of consumer items which are in direct and prolonged contact with the skin.

P member

CEN/TC 306

Lead and lead alloys

Standardization of lead and lead alloys as unwrought products, semi-finished or finished products and oxides (with the exception of pigments). Terminology and classification of lead and lead alloys, new and used materials; recovered from products and processes.

P member

CEN/SS M14

Nickel

P member

CEN/SS M21

Precious metals - Applications in jewellery and associated products

P member

CEN/TC 410

Consumer confidence and nomenclature in the diamond industry

Standardisation of the nomenclature to be used by those involved in the buying and selling of diamonds, treated diamonds and synthetic diamonds, particularly how to describe these in a clear and accurate manner to the consumer and maintain consumer confidence.

P member

ISO/TC 18

Zinc and zinc alloys

Standardization of definitions, classifications, quality, sampling and acceptance tests of zinc and zinc alloys, as well as of zinc alloy castings.

O member

ISO/TC 26

Copper and copper alloys

Standardization in the field of unwrought, wrought and cast products made from copper and copper alloys, including material specifications, dimensions and tolerances, and methods of testing peculiar for copper and copper alloys.

O member

ISO/TC 174

Jewellery and precious metals

Standardization in the field of jewellery (e.g. numbering system, sizes of rings, precious metals colours and coatings, diamonds) and precious metals (e.g. analyses, sampling, impurities).

O member

ISO/TC 155

Nickel and nickel alloys

Standardization in the field of nickel and nickel alloys including terminology, specifications and methods of sampling, testing and analysis.

O member