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  • Test needles from noble metals

    Assay needles from noble metals – a kind of laboratory equipment, made of alloys of precious metals.

     

    Specifications

    They are made of precious metals and alloys (gold, silver, platinum, etc.).

     

    Supplied in the kit (the standard alloy needle and intermediate test needle are included in the kit). Usually, platinum is made of an alloy of gold with silver and copper, as well as silver with copper.

    The properties and characteristics of the needles depend on the type of feedstock. Used to determine the sample on the test stone. The test stone is a smooth piece of black basalt or shale rocks.

    Differ by brand and chemical composition, shape, length.

     

    Application

    The test needle is the standard for determining the sample on the test stone. Using a needle on a test stone, a stroke is made, the results of which are compared with the test sample.

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