Test Items

Specifications

Appearance

White amorphous powder

P2O5

38.0-41.0%

CaO

51.0-55.0%

Moisture

≤2.5%

pH(10g/L)

8.0-9.0

Insolubles in HCl

≤0.2%

Heavy metals(as Pb)

≤0.001%

Lead

≤0.0002%

Loss on ignition(800°C)

≤10%

Clarity

Slightly turbid

Grade 1

400mesh(<37µm)

Grade 2

80-100mesh(149-177µm)