Zhengzhou Natural Chemical Co., Ltd.
Main products:Potassium Sorbate,Sodium Saccharin,Ascorbic Acid,Dextrose Monohydrate,Glucose\fructose Syrup
Products
Contact Us
  • Contact Person : Ms. Zeng Fiona
  • Company Name : Zhengzhou Natural Chemical Co., Ltd.
  • Tel : 86-371-68862691
  • Fax : 86-371-68891652
  • Address : Henan,Zhengzhou,No. 37 Yard, Huaihe East Road, Erqi District
  • Country/Region : China
  • Zip : 450015

High-quality Ascorbic Acid With the Best Price

High-quality Ascorbic Acid With the Best Price
Product Detailed
Ascorbic Acid Professional and leading manufacturer ISO/KOSHER/HACCP/HALAL Best quality, price, delivery and services

Ascorbic Acid

1 White crystal or crystalline powder. Odorless. Sour. Flash point 99. Melting point 187 ~ 192. Browned gradually by light. Dry conditions remained stable in the air, but in solution rapidly degenerate when in the presence of air. It is stable when PH value of 3.4 ~ 4.5. About 1g of this product soluble in 5ml water and 30ml ethanol.

0.5% solution PH value of 3 and 5% for 2. Insoluble in chloroform, ethyl ether, non-volatile oil and benzene. Strongly reduced and polyphenol oxidase inhibitory effect, it added to beer, fruit juice, etc. can be used as antioxidants in food.

2 APPLICATION: Nutritional supplements. Antioxidants; color agent. Enhance resistance to infectious diseases. Can be used for beer, fermented flour products, carbonated drinks, tea drinks, juice drinks, milk beverages, milk candy, canned fruit jelly, broth, children's cereal preparations, meat products, baking products.

3. Specification

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%

High-quality Ascorbic Acid With the Best Price



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