FIELD: electronics.
SUBSTANCE: invention is related to the technology of a high-purity silicon production, used for manufacturing photovoltaic cells. The method includes recovery of the silicon oxide with a carbonaceous agent, where the silica is pre-purified in an aqueous solution comprised of boron selective chelating resin, and the pre-purified silica has about 5 parts per million or less boron. EFFECT: pre-purification of the base silicon oxide allows for the production of a finished product of high purity.
33 cl, 3 dwg, 9 ex
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