Fusion Platinumware

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We are able to meet your laboratory needs from basic platinum utensils through to intricate individual designs.

Metals used for laboratory apparatus must have the following properties:

  • High temperature strength
  • High melting point
  • Ductility
  • Corrosion resistance
  • Oxidation resistance

Platinum and its alloys possess these qualities and is therefore the most widely used metal for analytical laboratory apparatus. Properties of platinum and some common platinum alloys are briefly discussed here. All platinum labware from Cleveland conforms to International Metal Standards.

Please contact us if you have labware that requires repair or re-manufacture.


PLATINUM

Is the best known and least rare of the platinum group metals. Its high melting point, 1773 degrees Celsius, ductility and excellent resistance to chemical attack by acids makes it very suitable for laboratory ware.


PLATINUM 10% RHODIUM

This alloy has melting point of 1850 degrees Celsius, it has greater hardness and higher strength than other platinum alloy. It is capable of maintaining its shape under the hottest furnace conditions.


PLATINUM 5% GOLD

Universally accepted material of choice for crucible and casting moulds for spectro-graphic analysis by x-ray fluorescence (XRF). This alloy has higher temperature strength than pure platinum and has a “non-wetting” property, which results in easy removal of the sample after fusion and allows for many reproducible assays.


PLATINUM GOLD RHODIUM (94/5/1)

This alloy combines the “non-wetting” property of the Pt/Au alloy and the extra strength and durability of Pt/Rh alloys.


PLATINUM 3% RHODIUM

The rhodium alloys have higher hardness and high temperature strength making it suitable for more aggressive conditions.


GOLD

Gold can be used in labware. Its most common application is for hydrofluoric acid treatment of siliceous materials.


SILVER

Pure silver can be used for fusion with alkali hydroxid.