Carbolite CF 24 Cupellation Furnace


Carbolite CF 24 Cupellation Furnace
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Code: carbolite-cf-24
SKU: CF 24
Vendor: Carbolite

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Product Details


The CF cupellation furnaces are designed for the cupellation, or fire assay test, of precious metals, which is a standard test method used to determine their purity.

The furnaces meet the Hallmarking requirements specified by the Convention on the Control and Marking of Articles of Precious Metals (known also as “Precious Metals Convention”, “Hallmarking Convention” or “Vienna Convention”).

The test method produces hazardous vapours. When used within a suitable fume management system, the cupellation furnaces are designed to handle the vapours without exposing the operator to these hazards. The design of the cupellation furnace range ensures protection from the corrosive environment which would damage a conventional furnace.

Carbolite also offers a range of smelting/melting furnaces


Standard Features

  • 1200C maximum operating temperature
  • Designed for testing using the cupellation method to ISO11426:1999 the standard test method used by the UK Assay Office, a reference quantitative assay method by the International Hallmark Convention
  • The airflow, controlled by an adjustable valve, is preheated before entering the work chamber
  • Silicon carbide elements mounted above and below the chamber provide even heating of cupels, have good resistance to thermal shock & offer extended working life at high temperatures
  • Silicon carbide lined roof and hearth protect the heating elements and resist the corrosive fumes emitted during the cupellation process
  • Fumes are extracted through an insulated exhaust duct, with a removable container to collect condensed lead
  • Up & away counterbalanced vertically opening door fitted with observation hole
  • Element over-temperature protection controller
  • Fitted with 7 day, 24 hour time-switch
    CF 24
    Max temp (C) 1200
    Charge capacity of no. 8 cupels 24
    Charge capacity of no. 6 cupels 32
     
    Maximum continuous operating temp (C) 1200
    Dimensions:
    Internal H x W x D (mm)
    200 x 250 x 340
    Dimensions:
    External H x W x D (mm)
    1050 x 1100 x 1200 (floor-standing)
    Max power (W) 13000
    Thermocouple type R

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