G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/28 (2006.01) C03B 5/08 (2006.01) C03B 5/12 (2006.01) C03B 19/02 (2006.01) G01N 1/44 (2006.01)
Patent
CA 2190073
The invention relates to a method of producing amorphous sample bodies that can be used for optical spectral analysis and X-ray spectral analysis, by batch-wise smelting in a crucible a mixture of analysis sample and a flux. The method is characterized by allowing a controlled flow of molten material to run out of the crucible and successively down onto a horizontal receiving surface and there form the sample bodies. The mixture is smelted suitably at a temperature of between 800 and 1300°C, preferably at about 1000°C, and is carried out in a crucible having a hole in the bottom thereof. The invention also relates to apparatus for producing such amorphous sample bodies. The apparatus includes a smelt crucible provided with an opening in its lower part and which is designed to be downwardly tapered at least inside in order to prevent the mixture from coming out, but to facilitate running of molten material through the opening. The apparatus will also preferably include a casting plate or a mould for casting sample bodies positioned horizontally beneath the crucible. The invention also relates to the application of the method and the use of the apparatus in the production of sample bodies for the analysis of geological material, inorganic environment test material and sulfidic and/or oxidic products from ferrous and non-ferrous production processes.
Jacobsson Ann-Christine
Kovacevic Rasema
Lindstrom Per-Erik
Malmqvist Johan
Boliden Mineral Ab
Gowling Lafleur Henderson Llp
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