No.

Test Item

Specification

1

MgSO4.7H2O

99% min

2

MgO(Magnesium Oxide)

16.20%min

3

Mg(Magnesium)

9.80%min

4

Fe(Iron)

0.003%max

5

CI(Chlorid)

0.1%max

6

Pb

0.001%max

7

As(Arsenic)

0.0002%max

8

PH(5%)

5-9.2