氢磷酸酯;液体亚磷酸;五氧化二磷,AR,≥98.5%;五氧化二磷,POWDER,ACS,≥98.0%;变色吸水剂;五氧化二磷, ACS级试剂;氧化磷(V);磷酐;磷酸酐; phosphorusoxide(p2o5);phosphorusoxide[p2o5];phosphoruspentoxide101;phosphoric anhydride;phosphorus pentoxide for high purity;Phosphorus pentoxide 99+ % for analysis;phosphorus pentoxidedessicant;Phosphorusoxidewhitepowder