2022 China Manufacuter Supply Cheap Price 99% Purity Good Quality Dextrose Monohydrate Powder

Items of Analysis

Analysis standard

Analysis results

Appearance

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

Qualified

Identification

A: Specific optical rotation

+52.5º-+53.3º

+53.0º

B: TLC

Complies

Complies

C: Chemical test (red precipitate)

Positive

Positive

Test

Acidity or alkalinity

6g sample 0.1mol/L NaOH≤0.15ml

0.06ml

Water

Not more than 1.0%

0.10%

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 max

0.125Eu/ml max

Serial Number

Item

Standard

Inspection Result

1

Appearance

White crystal or powder, odorless and a little sweat

Pass

2

Specific rotation

 +52~53.5degree

53.2degree

3

Acidity (ml)

1.2max

0.15

4

De-Equivalent

99.5%Min

99.88%

5

Chloride, %

0.02max

0.001

6

Sulphate, %

0.02max

0.01

7

Insoluble matter in alcohol

Clear

Clear

8

Sulfite and soluble starch

Yellow

Yellow

9

Moisture, %

9.5max

8.8%

10

Ash, %

0.2max

0.05

11

Iron, %

0.002max

0.0004

12

Heavy metal, %

0.002max

0.0003

13

Arsenic, %

0.0002max

0.0001

14

Color dots, cfu/50g

50max

25