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Products » Products by Product Type » Fire Assay » Automated Fluxer for FIFA System

Automated Fluxer for FIFA System


 

When IMP decided to develop a fully automated fire assay system from sample preparation to OES spark analysis of the Pb button, it was necessary to develop a fluxer to automatically add flux to the sample prior to fusion.

 

The fluxer is located between the sample preparation circle and the FIFA robot circle.

 

After milling, the sample to be fire-assayed is moved by robot to the fluxer where a catch weight of about 50 gm is taken by spear doser, weighed accurately and placed in another steel cup. A volumetric dose of flux, approximately 250gm, is then taken and added to the cup containing the sample where mixing of the sample and flux takes place.

 

The cup containing the mixed sample and flux moves to the other end of the fluxer which is in the FIFA robot circle.  The cup containing the mixed sample and flux is taken from the fluxer by the robot in the FIFA robot circle to the loading station where the sample and flux charge is added to a pre-heated crucible. The crucible is then moved by robot to a fusion furnace where it is fused.

 

Samples can also be entered manually into the fluxer if ad hoc fire assays are needed.

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