Item

Index

EL grade

UP grade

UP-S grade

UP-SS grade

Total acidity (HF) w/%

49.0±0.5

49.0±0.5

49.0±0.2

49.0±0.2

Fluosilicic acid (H2Si F6) w /(mg/kg)           ≤

50

50

30

30

Chloride (Cl) w /(mg/kg)          ≤

5

5

0.2

0.05

Nitrate (NO3) w /(mg/kg)        ≤

3

3

0.1

0.05

Phosphate (PO4) w /(mg/kg)        ≤

1

1

0.1

0.05

Sulfate (SO4) w /(mg/kg)        ≤

5

5

0.2

0.05

Aluminum (Al) w /(μg/kg)               ≤

100

10

1

0.1

Arsenic (As) w /(μg/kg)               ≤

200

10

1

0.1

Boron (B) w /(μg/kg)              ≤

100

10

1

0.1

Barium (Ba) w /(μg/kg)                ≤

100

10

1

0.1

Calcium (Ca) w /(μg/kg)               ≤

100

10

1

0.1

Cadmium (Cd) w /(μg/kg)               ≤

50

10

1

0.1

Chromium (Cr) w /(μg/kg)             ≤

20

10

1

0.1

Copper (Cu) w /(μg/kg)               ≤

20

10

1

0.1

Iron (Fe) w /(μg/kg)                   ≤

100

10

1

0.1

Potassium (K) w /(μg/kg)              ≤

100

10

1

0.1

Lithium (Li) w /(μg/kg)                 ≤

20

10

1

0.1

Magnesium (Mg) w /(μg/kg)           ≤ 

100

10

1

0.1

Manganese (Mn) w /(μg/kg)            ≤

50

10

1

0.1

Sodium (Na) w /(μg/kg)                ≤

100

10

1

0.1

Nickel (Ni) w /(μg/kg)               ≤

50

10

1

0.1

Lead (Pb) w /(μg/kg)                   ≤

50

10

1

0.1

Titanium (Ti) w /(μg/kg)              ≤

100

10

1

0.1

Stibium(Sb) w /(μg/kg)                   ≤

50

10

1

0.1

Stannum (Sn) w /(μg/kg)                   ≤

20

10

1

0.1

Zinc (Zn) w /(μg/kg)                   ≤

50

10

1

0.1

Particle

(≥1.0μm) / (个/mL)      ≤

25

－

－

－

(≥0.5μm) / (个/mL)      ≤

－

25

5

－

(≥0.2μm) / (个/mL)      ≤

－

－

－

20