Test Items

Appearance

Content (calculated as K2S2O3),%

Sulfur content (S),%

Sulfate (SO4),%

Potassium (K2O),%

Density (25 ° C)

PH(25°C)

testing indicators

Colorless, transparent, and free of impurities

≥50

≥17

≤0.5

≥25

1.415-1.515

6.5-9.5

Test Results

Colorless, transparent, and free of impurities

50.76

17.55

0.15

25.38

1.477

8.76