Product Name

ASCORBIC ACID

Analysis Standard

BP2005/USP30

Batch Number

200811169

Quantity

SAMPLE

Manufacturer Date

NOV.2008

Shelf Life

3Years

Net/gross weight

25.0kgs/26.5kgs

Mesh

40-80

Analysis

Analysis Standard

Analysis Results

Description

White or almost white crystals or crystalline powder

Pass

Identification

Positive Reaction

Positive

Melting Point

190-192

191.1

PH

2.1-2.6

2.43

Clarity Of Solution

Clear

Clear

Colour Of Solution

≤BY7

< BY7

Copper

≤5ppm

<5ppm

Heavy Metals

≤10ppm

<5ppm

Mercury

≤1ppm

<1ppm

Lead

≤2ppm

<2ppm

Arsenic

≤3ppm

<3ppm

Oxalic Acid

≤0.2%

<0.2%

Loss on drying

≤0.4%

<0.4%

Residue on ignition

≤0.1%

<0.1%

Specific Rotation

+20.5°-+21.5°

+20.9°

Organic Volatile Impurities

Pass

Pass

Assay

99.0-100.5%

99.95%

Conclusion

The Above-Mentloned Product Conforms To BP2005/USP30.