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Continue to ChatUse of Aspergillus niger in the bioleaching of colemanite for the production of boric acid - https://avesis.cu.edu.tr/yayin/fff13a74-262a-4fb0-99d2-88e1adbadf1e/use-of-aspergillus-niger-in-the-bioleaching-of-colemanite-for-the-production-of-boric-acid