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发明公开
CN101622206A 磷酸盐系无机物 有权

磷酸盐系无机物
摘要：
本发明的目的在于提供一种特别是耐化学药品性优异的磷酸盐系无机物。本实施方式的磷酸盐系无机物的特征在于，至少含有P 2 O 5 、CeO 2 及Cr 2 O 3 ，并且以30～75(摩尔％)的范围含有P 2 O 5 、以8～60(摩尔％)的范围含有CeO 2 、以1.5～15(摩尔％)的范围含有Cr 2 O 3 。由此，与以往的磷酸盐系无机物相比，可以提高耐化学药品性。特别是可以得到比石英玻璃还优异的耐化学药品性。
摘要（英）：

Disclosed is a phosphate-based inorganic material which is especially excellent in chemical resistance. Specifically disclosed is a phosphate-based inorganic material containing at least P2O5, CeO2 and Cr2O3. This phosphate-based inorganic material is characterized by containing 30-75 mol% of P2O5, 8-60 mol% of CeO2 and 1.5-15 mol% of Cr2O3. Consequently, this phosphate-based inorganic material is improved in chemical resistance when compared with conventional phosphate-based inorganic materials. In particular, this phosphate-based inorganic material has more excellent chemical resistance than a quartz glass.

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