Check Item

Standard

Check Conclusion

Content(CaCl₂)           %

≥     74

74.65

Alkali  Chlorides

As NaCl                   %

≤     4.0

2.0

Total Magnesium

As MgCl₂                  %

≤     0.15

0.1

Ca(OH)₂                 %

≤     0.2

0.11

Water insoluble matter      %

≤     0.15

0.1

Ph value

7-10

8.4

CaSO₄                          %

≤     0.2

0.15

Fe                  ppm

≤      8

5

Arsenic(AS)             ppm

≤     7

2

Heavy metals (Pb)         ppm

≤     6

1