序號 No指標名稱 Specifications工業級 Industrial Grade食品級 Food Grade1 主含量(以KH2PO4計)%≥ Main content99.099.02五氧化二磷(以P2O5計)%≥ Phosphorus pentoxide51.5051.503K2O %≥33.933.94PH值(1%水溶液) PH value of 1% solution4.3-4.74.2-4.75水份 %≤ Moisture0.30 0.306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 insoluble0.100.20