??±ê??????
Home---中文版  
    PRODUCTS
  :: LIST
      :: Fertilizer
      :: Food & Pharma
      :: Fine Chemical
      :: Ethylene polyamine
      :: Others
  :: Product Glory
  Hot Products
Vitamin C
Mannitol
Sorbitol
2-Acrylamideo-2-Methylpropane Sulfonic Acid
UREA
  Contact US
Add:Dongcheng Business Dist.,North of Nongsheng Str. and West of Haoyuan Rd.,
Shouguang Shandong China.
PO.CODE:262704
TEL:+86-536-2238682
FAX:+86-536-2238683
Email:lmjt888@163.com
    
产品世界
Product Name: Ascorbic Acid (Vitamin C)
Comapany:Shandong Tianli Pharmaceutical Co.,Ltd.
Annually yield: 15000
Character:white monoclinic system crystals or crystalline powder.Metling point 190 . C -192 C, odorless but tastes sour. Color turns light yellow after long time storage. The product is easily soluble in water , slightly soluble in ethanol , insoluble in chloroform and ether and its water solution appears acidic. The PH value of the 5% water solution is 2.1-2.6 and the ratio rotation of the 10% (W/V) water solution is +20.5 . -+21.5 .
Uses:Vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance .In addition to prevention of scurvy ,it is often used as a supplement for treatment of acute or chronic infection diseases or purpura.
Packing:Net weight 25kg cardboard cartons /drums lined with a layer of craft paper and two layers of plastic bags
Certificate of Anallysis

Product

Ascorbic Acid

PACKING

25Kg/PAPER BOX

BATCH NO.

201008001

QUANTITY OF BATCH

3.5t

EXPIRTY

ONE YEAR

TEST NO.

TV-0108002

TEST DATE.

2010.8.26

REPORT DATE

2010.8.26

ACCORDING AS

BP-2009

ITEM

QUALITY STANDARD

RESULT

APPEARANCE

WHITE OR ALMOST WHITE, CRYSTAL OR CRYSTALLINE POWDER.

CONFIRM

CLARITY AND COLOR OF SOLUTION

CLEAR,ㄑBY7

CLEAR,ㄑBY7

MELTING POINT

190~192 ℃

191.2 ℃

SPECIFIC OPTICAL ROTATION

+20.5~+21.5°

+21.03°

PH(5%,W/V)

2.1-2.6

2.34

IDENTIFICATION

POSITIVE

POSITIVE

RELATED SUBSTANCE

IMPURITY C ㄑ0.15%

CONFIRM

IMPURITY D ㄑ0.10%

CONFIRM

ANY OTHER UNSPECIFIC IMPURITY ㄑ0.10%

CONFIRM

TOTAL IMPURITY ㄑ0.20%

CONFIRM

OXALATE

ㄑ0.2%

<0.2%

RESIDUE ON IGNITION

≤0.1%

0.03%

IRON

≤2 PPM

<2 PPM

COPPER

≤ 5 PPM

< 5 PPM

HEAVY METAL

≤10 PPM

≤10 PPM

ARSENIC

≤0.0003%

<0.0003%

ASSAY

≥99.0%

99.53%

CONCLUSION

COMPLIED WITH BP2007/USP30 GB 14754-1993

 

           

 

 
About Us| Core business | Products | News Center| Culture | Sales Network | Order Online | Contact Us
Copyright(C)2010, Lianmeng Group. All Rights Reserved.