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汉语拼音：wǔ yǎng huà èr lín

又称磷酸酐”。化学式p2o5。白色粉末。对皮肤有强腐蚀作用。极易与水化合生成磷酸。由白磷在充足的氧气和空气中燃烧而得。常用以干燥中性或酸性气体或液体，在有机合成中作脱水剂。

• After the sample had been acidulated and dissolved by soda. P-Mo-V xanthic acid spectrophotometry was used to determine the content of P2O5.

  试样经堿熔，酸化后，以磷-钼-钒黄分光光度法测定五氧化二磷；

• The interference of coexistent water with the CO2 and the method for removing the water by P2O5 trap are described.

  叙述了共存水对二氧化碳测定的干扰及其用五氧化二磷的脱除方法。

• Silica refractories--Determination of phosphorus pentoxide content--Molybdenum blue photometric method

  硅质耐火材料化学分析方法钼蓝光度法测定五氧化二磷量

• Fireclay and high-alumina refractories--Determination of phosphorus pentoxide content--Molybdenum blue photometric method

  粘土、高铝质耐火材料化学分析方法钼蓝光度法测定五氧化二磷量

• Improvement of the Method of Volumetric Analysis for the Determination of Di-phosphorus Pentoxide in Phosphoric Acid

  容量法测定磷酸中五氧化二磷的方法改进

• Determination of Phosphorus Pentoxide in Phosphate Ore by Bismuth Salt-molybdenum Blue Parallax Photometric Method

  铋盐-钼蓝示差光度法测定磷矿石中五氧化二磷

• Study on the Application of Polymer of Phosphoric Acid-pentaerythritol-melamine in Intumescent Flame Retardant Coating

  膨胀型阻燃剂五氧化二磷-季戊四醇-三聚氰酰胺聚合物在防火涂料中的应用

• Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods

  磷矿石和磷精矿中五氧化二磷含量的测定磷钼酸喹啉重量法和容量法