No.

Item  Index

Food-gradestandards

 Industry Standard

1

Appearance

White crystalline powder

White or slightly yellow powder

2

Chelate calcium

98.5 ~101.5%

≥98.0%

3

Loss on dry

≤0.20%

≤0.30%

4

Chloride（Cl）%

≤0.01%

≤0.40%

5

He  avy Metal % (Pb)

≤10 ppm

≤0.1%

6

As (mg/kg)

 ≤1

≤10PPM

7

Residue on ignition

  ≤0.10  

≤0.10

8

PH value(50/L aqueous solution)

5.5 ~ 7.0

5.5 ~ 7.0

9

Clarity test刀

Through the test

Through the test

10

Fe

------------

≤ 0.003%