項目

Iterms

食品級

Food Grade

主含量(以Na₂H₂P₂O₇計)     %

Main Content (as Na₂H₂P₂O₇)

≥95

五氧化二磷（以P₂O₅計）    %

Phosphorus Pentoxide (as P2O5)

63-64 

Ph值                     %

Ph Value

3.5-4.5

水不溶物                 %

Water Insoluble

≤1.0

氟化物(以F計)            %

Fluoride (as F)

≤0.001

重金屬(以Pb計)           %

Heavy Metal (as Pb)

≤0.001

砷(以As計)               %

Arsenic (as As)

≤0.0003

灼燒失重（105℃）         %

Loss on Ignition (105℃)

≤0.5

外觀

Appearance

白色粉末或白色顆粒

White power or white granule