項目

Iterms

工業(yè)級

Industrial Grade

食品級

Food Grade

主含量（以NH4H2PO4計）       %        

Main Content

≥98

≥98

五氧化二磷（以P2O5計）         %

Phosphorus pentoxide         

≥61

≥61

氮（以N計）                    %

Nitrogen, as N

≥11.8

≥11.8

PH 值

PH Value of 1% water solution

4.4-4.8

4.4-4.8

水份                            %

Moisture

0.2

0.2

重金屬                          %

Heavy metals, as Pb

≤0.001

砷（以As計）                   %

Arsenic, as As

≤0.0003

氟化物（以F計）                %

Fluoride, as F

≤0.005

水不溶物                        %

Water insoluble

≤0.10

≤0.10

外觀

Appearance

白色顆粒晶體

White Granular Crystal, easily soluble in water

白色顆粒晶體

White Granular Crystal, easily soluble in water