In the United Kingdom (UK), the Hallmarking Act of 1973 makes it an offence to describe as platinum, gold or silver an item which is not hallmarked as appropriate or exempt from hallmarking.
The first UK Assay Office was Goldsmiths' Hall, founded around 1300, and where the term 'hallmarking' originates, meaning 'marked in Goldsmiths' Hall'. Since then, there have been ten Assay Offices in the UK.
AssayOffice as a body of the administration authority performs the state control in the field of hallmarking and precious metal testing.
The AssayOffice represents the Czech Republic in the Convention on the Control and Marking of Articles of Precious Metals.
The AssayOffice draws the laic and professional public´s attention to the fact, that it has detected and captured three pieces of bracelets having been declared and sold by fakers as gold art...
An assay is a procedure where the concentration of a component part of a mixture is determined.
There are numerous applications of an assay, such as an antigen capture assay, bioassay, competitive protein binding assay, four-point assay, immunoassay, microbiological assay, stem cell assay, and many others.
Assays are regularly utilized in scientific research laboratories.
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