項(xiàng)目 

Iterms

工業(yè)等級(jí) 

Industrial Grade

食品級(jí) 

Food Grade

主含量（以H3PO4.CO(NH2)2計(jì)）    %        

Main Content H3PO4.CO(NH2)2

≥98

≥98

五氧化二磷（以P2O5計(jì)）         %

Phosphorus pentoxide         

≥44

≥44

PH 值 

PH Value of 1% water solution

1.6-2

1.6-2

氮（以N計(jì)）                    %

Nitrogen, as N

≥17

≥17

重金屬                          %

Heavy metals, as Pb

≤0.001

水份                           %

Moisture

≤0.5

≤0.5

砷（以As計(jì)）                   %

Arsenic (as As)

≤0.0003

氟化物（以F計(jì)）                %

Fluoride (as F)

≤0.05

≤0.005

水不溶物                        %

Water insoluble

≤0.1

≤0.1

外觀 

Appearance

白色粒狀結(jié)晶 

White Granular Crystal

白色粒狀結(jié)晶 

White Granular Crystal