No

Index items

Standard value

Test Results

1

Appearance

Light Brown powder

Meets the requirement

2

lignosulphonate

50%min

60

3

Dry matter

92%min

97

4

Moisture

7.0％max

3

5

PH value

7--9

9

6

Inorganic Salts

（NaSO4）

2.5%max

2.1

7

Total reducing matter

4.0% max

2.2

8

Water insoluble matter

0.5% max

0.3

9

Calcium magnesium general quantity

0.5% max

0.3

Conclusion

Complies with requirements .