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Fire assay flux composition for the analysis of pgm and gold containing mineral samples




Title: Fire assay flux composition for the analysis of pgm and gold containing mineral samples.
Abstract: This invention relates to a novel fire assay flux composition including, inter alia, a dispersant in the form of a source of phosphate; a primary reductant in the form of iron powder comprising particles having a particle size of 60 mesh and finer, at least one basic flux and at least one acidic flux. The fire assay flux composition is useful for the fire assay analysis of Platinum Group Metals and gold in low and medium grade samples such as ores and floatation concentrate including furnace mattes and slags. The invention further extends to the use of such components in the preparation of a fire assay flux composition for fire assay analysis of PGM and gold in low and medium grade samples such as ores and floatation concentrate including furnace mattes and slags. ...


- Alexandria, VA, US
USPTO Applicaton #: #20090071291
Inventors: Kieth Shearer Mcintosh


The Patent Description & Claims data below is from USPTO Patent Application 20090071291, Fire assay flux composition for the analysis of pgm and gold containing mineral samples.

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stats Patent Info
Application #
US 20090071291 A1
Publish Date
03/19/2009
Document #
File Date
12/31/1969
USPTO Class
Other USPTO Classes
International Class
/
Drawings
0




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Specialized Metallurgical Processes, Compositions For Use Therein, Consolidated Metal Powder Compositions, And Loose Metal Particulate Mixtures   Compositions   Solid Treating Composition For Liquid Metal (e.g., Flux, Slagging Agent, Casting Agent, Etc.) Or Charge   Containing Free Metal  

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20090319|20090071291|fire assay flux composition for the analysis of pgm and gold containing mineral samples|This invention relates to a novel fire assay flux composition including, inter alia, a dispersant in the form of a source of phosphate; a primary reductant in the form of iron powder comprising particles having a particle size of 60 mesh and finer, at least one basic flux and at |
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