Shijiazhuang Zhongshuo Pharmaceutical Group Co., Ltd.
Main products:Arbidol Hydrochloride,Ampicillin Sodium,ampicillin sodium +sulbactam sodium,Sulbactam Sodium,Arbidol hcl
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Contact Us
  • Contact Person : Mr. B Kevin
  • Company Name : Shijiazhuang Zhongshuo Pharmaceutical Group Co., Ltd.
  • Tel : 86-311-86137390
  • Address : Hebei,Shijiazhuang,No.58 Cangfeng Road
  • Country/Region : China
  • Zip : 050021

Ascorbic Acid(Vitamin C)

Ascorbic Acid(Vitamin C)
Product Detailed
Ascorbic Acid CP/BP/USP 25kgs/drum,25kgs/carton Assay:>99.8%

it is intended for use in pharmaceutical tablets and nutritional supplements produced by direct compression.

Analysis Contents

Analysis Standard

Analysis Results

Identification

Positive Reaction

Positive

Melting Point

About 190°C

190.7°C 

PH

2.4-2.8

2.42

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

<2mg/kg

 

<2mg/kg

 

Arsenic

≤3ppm

<3ppm

Cadmium(Cd)

 

<1mg/kg

 

<1mg/kg

 

Oxalic Acid

≤0.2%

<0.2%

Iron

≤2ppm

<2ppm

Loss of Drying

≤0.4%

<0.4%

Sulphate Ash(Residue On Ignition)

≤0.1%

<0.1%

Specific Optical Rotation

+20.5°–+21.5°

+21.13°

Mesh

40-80 Mesh

Pass

Organic Volatile Impurities

Pass

Pass

Assay

99.0%-100.5%

99.94%

Ascorbic Acid(Vitamin C)



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