項(xiàng)目

Iterms

工業(yè)級(jí)

Industrial Grade

食品級(jí)

Food Grade

主含量（以Na2HPO4.12H2O計(jì)）    %        

Main Content Na2HPO4.12H2O

≥97

≥97

五氧化二磷（以P2O5計(jì)）         %

Phosphorus pentoxide         

≥19.2

≥19.2

PH 值

PH Value of 1% water solution

8.8-9.2

8.8-9.2

重金屬                          %

Heavy metals, as Pb

≤0.001

氯化物（以計(jì)）                  %

Chloride (as Cl)

≤0.05

≤0.014

硫酸鹽（以計(jì)）                  %

Sulphate (as SO4)

≤0.7

≤0.25

砷（以As計(jì)）                   %

Arsenic, as As

≤0.05

≤0.0003

氟化物（以F計(jì)）                %

Fluoride, as F

≤0.05

≤0.005

水不溶物                        %

Water insoluble

≤0.05

≤0.05

外觀

Appearance

白色粒狀結(jié)晶

White Granular Crystal

白色粒狀結(jié)晶

White Granular Crystal