Test Result

Serial Number

Test Item

Standard

Result

1

Appearance

White Crystal Powder, Odorless, Sweet

White Crystal Powder, Odorless, Sweet

2

Assay (dry basis),%

99.0-101.0

99.8

3

Specific optical rotation

+52.5º—+53.3º

+53.1º

4

Acidity or alkalinity

6g sample 0.1mol/L NaOH≤0.15ml

0.05ml

5

Water

Not more than 1.0%

0.12%

6

Arsenic

Not more than 1ppm

<0.25ppm

7

Calcium

Not more than 200ppm

<50ppm

8

Lead in sugars

Not more than 0.5ppm

<0.5ppm

9

Chloride

Not more than 125ppm

<25ppm

10

Sulphates

Not more than 200ppm

<25ppm

11

Sulphites

≤15ppm SO2

<15ppm SO2

12

Sulphated ash

≤0.10%

0.02%

Conclusion: The above product conforms to the standard.