CAS .:33665-90-6Glucose/Dextrose

Description

A white,crystalline,with a sweet taste,freely soluble in water,sparingly soluble in alcohol

Qualified

Identification

Positive

Positive

Specific optical rotation

+52.5º—+53.3º

+53.0º

Acidity or alkalinity

6g sample 0.1mol/L NaOH≤0.15ml

0.05ml

Water

Not more than 1.0%

0.05%

Arsenic

Not more than 1ppm

<0.25ppm

Calcium

Not more than 200ppm

<50ppm

Lead in sugars

Not more than 0.5ppm

<0.5ppm

Chloride

Not more than 125ppm

<25ppm

Sulphates

Not more than 200ppm

<25ppm

Appearance of solution

Solution is clear and not more intensely colored than reference solution

Qualified

Barium

Any opalescence in the solution is not more intense than in the standard

Qualified

Sulphites

≤15ppmSO2

<15ppmSO2

Foreign sugars,soluble starch,dextrins

Qualified

Qualified

Sulphated ash

0.1%

0.01%

Pyrogens(TAL 10% solution):

<0.125Eu/ml

<0.125 Eu/ml

Description

white or almost white, crystalline powder, a sweet taste

Conforms

Identification

B ,Thin-layer chromatography

Conforms

C ,a red precipitate is formed

Specific Optical Rotation

+52.5°～+53.3°

+53.1°

Acidity or Alkalinity

≤0.15ml

0.12ml

Appearance of Solution

Clear, odourless

Conforms

Foreign Sugars, Soluble

The test solution is not greater than the reference

Conforms

Starch, Dextrin

solution

Solubility

Freely soluble in water, sparingly soluble in ethanol

Conforms

Assay

95%-105%

≥99.5%

Chlorides

≤125ppm

<10ppm

Water

7.0%~9.5%

8.70%

Sulphites (SO2)

≤15ppm

Conforms

Sulfates

≤200ppm

<150ppm

Calcium

≤200ppm

<150ppm

Barium

any opalescence in the solution is not more intense

Conforms

Lead

≤0.5ppm

<0.5ppm

Arsenic

≤1ppm

<1ppm

Sulfated ash

≤0.1%

<0.1%

Total Bacteria Count

≤1000cfu/g

20pcs/g

Molds and Yeasts

≤100cfu/g

<10pcs/g

Escherichia Coli

Negative

Negative

Pyrogens(Bacterial Endotoxin)

≤0.25Eu/ml

Conforms