Size

(Diameter:20mm,   Thickness 13mm)

Sodium Chloride (Nacl)%

99.1

min

99.51

Whiteness

80

min

85

Moisture (H₂O)%

0.30

max

0.05

Insolubles (%)

0.05

max

0.019

CaSO4(%)

0.1

max

0.035

Na₂SO4(%)

0.30

max

0.010

Anti Caking Agent  [Fe（CN)6]4-

10

max

0

Heavy metals (Pb)

1.0ppm

max

0.006ppm

max

Calcium (Ca)

15ppm

max

5ppm

max

Magnesium (Mg)

1ppm

max

0.7ppm

max

Copper (Cu)

5ppm

max

0.7ppm

max

Mercury (Hg)

0. 1ppm

max

None

Cadmium (Cd)

0.5ppm

max

None

Batch No.

240325