焦磷酸钡

焦磷酸钡是一种无机化合物，化学式为Ba₂P₂O₇，它是钡的磷含氧酸盐之一。^[2]它可由磷酸氢钡在高温分解得到。^[3]

焦磷酸钡
识别
CAS号	13466-21-2  Y
性质
化学式	Ba2P2O7
摩尔质量	448.60 g·mol⁻¹
结构
晶体结构	Pnma（α相）[1]
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

掺杂铕的焦磷酸钡（Ba₂P₂O₇:1%Eu²⁺）可用作近紫外LED的蓝光磷光体。^[4]

参考文献

1. Driss Zakaria, Fatima Erragh, Abdelghani Oudahmane, Malika El-Ghozzi, Daniel Avignant. α-Ba 2 P 2 O 7. Acta Crystallographica Section E Structure Reports Online. 2010-11-15, 66 (11): i76–i77 [2022-10-07]. ISSN 1600-5368. PMC 3009187 . PMID 21588791. doi:10.1107/S1600536810043539. （原始内容存档于2022-10-12）.
2. McCauley, R. A.; Hummel, Floyd A. Phase relations in a portion of the system barium oxide-phosphorus pentoxide. Transactions of the British Ceramic Society, 1968. 67 (12): 619-628.
3. Mehdi, Safia; Hussain, M. Raza; Rao, B. Rama. High-temperature x-ray diffraction study of barium pyrophosphate. Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical, 1977. 15A (9): 820-821. ISSN 0376-4710.
4. Mouna Derbel, Aïcha Mbarek. Solid state synthesis and luminescent properties of bright blue-emitting Ba2P2O7:Eu2+ phosphor. SN Applied Sciences. 2020-04, 2 (4) [2022-10-07]. ISSN 2523-3963. doi:10.1007/s42452-020-2329-8 （英语）.

拓展阅读

• J. A. Campbell, Charles Schenker. A Polarographic Study of Barium Ion Removal by Complex Phosphates 1. Journal of the American Chemical Society. 1945-05, 67 (5): 767–769 [2022-10-07]. ISSN 0002-7863. doi:10.1021/ja01221a021. （原始内容存档于2022-10-11） （英语）.