Item    

Industrial Grade

Food Grade

Appearance:

white powder          

white powder          

Content (NaH2PO4):

≥98%

≥98%

P2O5 content:

≥58%

≥58%

PH (1% aqueous solution):

4.2-4.8

4.2-4.8

Water-insoluble matters:

≤0.2%

≤0.2%

Loss on drying:

≤2.0%

≤2.0%

Sulfate (SO4):

≤0.25%

Chloride (Cl):

≤0.014%

Fluoride (F):

≤0.005%

Heavy Metal (Pb):

≤0.001%

Arsenic (As):

≤0.0003%

Item    

Industrial Grade

Food Grade

Appearance:

white powder          

white powder          

Content

≥98%

≥98%

P2O5 content:

≥44.6%

≥44.6%

PH (1% aqueous solution):

4.2-4.6

4.2-4.6

Water-insoluble matters:

≤0.1%

≤0.05%

Fluoride (F):

≤0.002%

Heavy Metal (Pb):

≤0.001%

Arsenic (As):

≤0.0003%