序號 No指標名稱 Specifications工業級 Industrial Grade食品級 Food Grade1主含量(以NH4H2PO4計) %≥ Main contents99.099.02五氧化二磷(以P2O5計) %≥ Phosphorus pentoxide61.061.03氮(以N計) %≥ Nitrogen, as N11.911.94PH值(1%水溶液) PH value (1% solution)4.2-4.84.3-5.05水份 %≤ Moisture0.20.26重金屬(以Pb計) %≤ Heavy metal, as Pb/0.0017砷(以As計) %≤ Arsenic, as As/0.00038氟化物(以F計) %≤ Fluoride as F/0.0019水不溶物 %≤ Water insoluble0.100.10