Product Name

ASCORBIC   ACID

Analysis Standard

BP/USP/FCC/EP/E300

Batch No.

Sample

Shelf Life

3 Years

Net/Gross Weight per package

25.0kgs/26.3kgs

Analysis Contents

Analysis Standard

Analysis Results

Characteristics

White or almost White

crystals Crystalline Powder

Pass

Solubity

Easily soluble in water

Pass

Identification

Positive Reaction

Positive

Melting Point

About 190℃

190.6℃

PH(with 2%water solution)

2.4-2.8

2.46

PH(with 5%water solution)

2.1-2.6

2.38

Clarity Of Solution

Clear

Clear

Colour Of Solution

≤BY₇

<BY₇

Copper

≤5ppm

<5ppm

Heavy Metals

≤10ppm

<10ppm

Mercury

≤0.1mg/kg

<0.1mg/kg

Lead

≤0.4mg/kg

<0.4mg/kg

Arsenic

≤1ppm

<1ppm

Oxalic Acid

≤0.2%

<0.2%

Iron

≤2ppm

<2ppm

Cadmium(Cd)

<1mg/kg

<1mg/kg

Impurity E

≤0.2%

<0.2%

Loss on Drying

≤0.4%

<0.4%

Sulphate Ash(Residue On Ignition)

≤0.1%

<0.1%

Specific Optical Rotation

+20.5°-+21.5°

21.08°

Residual Solvents

Pass

Pass

Assay

99.0%-100.5%

99.72%

Conclusion

The Above-Mentioned Product Conforms To BPIUSP/FCC/EP/E300