| 摘要 |
A niobium compound, ammonium(bisaquo oxobisoxalato)niobate (NH<SUB>4</SUB>)[Nb(O)(C<SUB>2</SUB>O<SUB>4</SUB>)<SUB>2</SUB>(H<SUB>2</SUB>O)<SUB>2</SUB>] and hydrates thereof, is described along with formulations containing the same and methods for creating a product specification for a batch, lot, or shipment of such compounds, comprising specifying at least one property value for said batch, lot, or shipment.
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