Testing Item

 Standard

Result

Phosphorus(P)/%

≥18

18.16

Citric acid soluble phosphorus/%

≥14

16.2

Calcium(Ca)/%

≥20

21.10

Fluorine(F)/%

≤0.18

0.1

Arsenic (As)/%

≤0.0020

0.0008

Heavy Metal (Pb)/%

≤0.0030

0.0004

Cadmium(Cd)/%

≤0.0010

0.0001

Chromium(Cr)/%

≤0.0030

0.0005

Size(powder pass 0.5mm test sieve)/%

≥95

conforms

Size(granule pass 2mm test sieve)/%

≥90

conforms

Note: When a user with special requirements for fineness, negotiated by the supply and demand sides