Test Items

Specifications

Appearance

White , free flowing powder

Calcium Assay(Ca), %

22.0-27.5

Phosphorus Assay(P), %

9.0-11.5

Loss on Drying, %

≤ 8.0

pH(1.0% Water solution)

6.0-9.0

Arsenic, %

≤ 0.0003

Lead, mg/kg

≤ 3

Heavy Metals(as Pb), %

≤ 0.001

Average size, µm

30-40