I want to investigate different systems of WC-Co+x systems, but I don't know which crucible I should use. I add only small amounts (up tp 2wt%) of x to the system, could it have an influence on the choice of my crucible? I can't use alumina crucible, because the instrument would react with it. If I use tungsten crucible filled with alumina powder, does this influence the signals too much? Thanks for sharing your experiences!

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