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1.5¢ brazilian critical minerals limited

Ann: Excellent results from initial pilot plant testing, page-62

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butcherboy

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09/03/23

16:49

Post #: 66682558
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Originally posted by butcherboy: ↑
Also, one other point, the ICP-MS assay method from the US lab seems to be better for assaying Au, Pd and Rh than the BBX Ni fusion assay method, so maybe, going forward, they can do a hybrid of ICP-MS assays for Au, Pd and Rh, and use the BBX Ni fusion assay for Pt and Ir. (Noting that they had previously said in the JORC table re the Ni fusion method: "For the complex style of mineralisation encountered at Três Estados this method strongly favours the unlocking and recovery of platinum, iridium and rhodium in preference to gold and palladium.", but, also, since then, the Rh results seem to be even better using ICP-MS).

See below, blue shows improved results using ICP-MS, red shows reduced results (no detection in the case of Pt and Ir).

So, I suggest the following:

Assay Method PMs Assayed
1 Ni Fusion Pt & Ir
2 ICP-MS Au, Pd & Rh
Expand
Just going back in time, the first Ecobiome announcement, "Initial results from bioleaching test work", released on 14 November 2022, also showed good results for the ICP-MS assay method from the US lab for Au, Pd and Rh (presumably better than the BBX Ni fusion method, although we don't have a comparison in this case).

15.68 g/t Pd is a very good result for the untreated ore.

BBX Price at posting: 13.5¢ Sentiment: Buy Disclosure: Held
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