|
|
Test Items
|
|
|
|
|
|
Class One
|
Class Two
|
Superior Grade
|
Class One
|
|
|
Sodium Chloride Mass Fraction, % ≥
|
94.80
|
92.00
|
99.10
|
98.50
|
|
|
Moisture Mass Fraction, % ≤
|
3.80
|
6.00
|
0.30
|
0.50
|
|
|
Water Insoluble Substances Mass Fraction, % ≤
|
0.30
|
0.40
|
0.05
|
0.10
|
|
|
Calcium & Magnesium Mass Fraction, % ≤
|
0.40
|
0.60
|
0.25
|
0.40
|
|
|
Sulphate Mass Fraction, % ≤
|
0.70
|
1.00
|
0.30
|
0.50
|
|
