Samples from the Matagami flotation circuit were collected

Surface chemistry of sphalerite grains from the priority samples is studying by ToF-SIMS.

A minimum of 25 sphalerite grains per sample were examined by the TOF-SIMS.  The analysis provides a comprehensive survey of the surface species on the mineral grains in the various samples. The analytical approach was to conduct comparative surface analyses of the provided samples in order to determine statistically significant differences in the surface composition of species particularly related to potential activation or depression of the examined mineral phases. 

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