Items

Specification

Result

Appearance

White crystalline powder

White crystalline powder

Appearance of solution

Clear and colourless

Clear and colourless

Acidity or Alkalinity

Conformity

Conformity

Specific optical rotation

-91.0~ -93.5°

-92.6°

Foreign sugars

Conformity

Conformity

5-Hydroxymethylfural and related compounds

≤0.32

0.14

Barium

Conformity

Conformity

Lead

≤0.5 ppm

<0.5 ppm

Loss or drying

≤0.5%

0.08 %

Sulphated ash

≤0.1%

0.04%

Arsenic

≤1 ppm

≤1 ppm

Calcium and magnesium

(as calcium)

≤0. 005%

≤0. 005%

Heavy metals

≤5 ppm

≤5 ppm