Tianjin Brightway International Co., Ltd.
Main products:Sodium Sulphide,Gum Rosin,Soda Ash
Products
Contact Us
  • Contact Person : Mr. Gao Paul
  • Company Name : Tianjin Brightway International Co., Ltd.
  • Tel : 86-22-25275189, 25275190, 25275195
  • Fax : 86-22-25325480
  • Address : Tianjin,Tianjin City,Suite 501, Gate 2, Block I/D, Jinbin Commercial Centre, No.98 Huanghai Road, TEDA
  • Country/Region : China
  • Zip : 300457

purity Ascorbic Acid Vitamin C VC

purity Ascorbic Acid Vitamin C VC
Product Detailed
1,FOOD grade, Feed grade. 2,White crystal powder 3,From NCPC 4, ISO, GMP, SGS

Analysis contents

Analysis Standard

Analysis Results

Appearance

White or white crystalline powder

Pass

Identification

Positive Reaction

Positive

Melting point

About 190°C

191°C

Clarity of Solution

Clear

Clear

Color of Solution

≤BY7

<BY7

Copper

≤5ppm

<5ppm

Heavy Metals

≤10ppm

<10ppm

Lead

≤2ppm

<2ppm

Iron

≤2ppm

<2ppm

Cadmium

≤1ppm

<1ppm

Arsenic

≤3ppm

<3ppm

Mercury

≤0.1ppm

<0.1ppm

Zinc

≤25ppm

<25ppm

Oxalic acid

≤0.2%

<0.2%

Sulphate Ash(Residue on Ignition

≤0.1%

<0.03%

Specific optical Rotation

+20.5°-21.5°

+20.9°

Assay

99.0%-100.5%

100.0%

Loss on Drying

≤0.4%

0.05%

Residual Solvents

Methanol:NMT 3000ppm

<200ppm

♣♣♣OUR FACTORY♣♣♣

purity Ascorbic Acid Vitamin C VC



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