Lactose Suppliers, Lactose Manufacturers.
Lactose is a disaccharide sugar that is found most notably in milk and is formed from galactose and glucose.
CAS:63-42-3
Molecular formula:C12H22O11
Packing is 25kg kraft bags or as customer requirement.
The quality conforms BP2008
Test Item |
Criterion |
Test Results |
Identification A |
The infrared absorption spectrum of the sample is concordant with that of the standard |
The inferared absorption spectrum of the sample was concordant with that of the standard |
Identification B |
The principal spot obtained form the test soultion corresponds in appearance and RF |
The principal spot obtained from the Test solution corresponds in appearance |
Identification C |
A red color develops |
It appeared red color. |
Specific Rotation |
+54.40-+55.90 ,calculate on the anhvdrous basis. |
+54.960 |
Acidity or Alkalinity |
Add 0.3ml of phenolphthale in TS: the solution is colorless and not more than 0.4ml |
Add 0.3ml phenolphthale in TS: the soluton was colorless and not more than 0.4ml |
Loss on Drying |
The monohydrate from loses not more than 0.5%of its weight and the modified |
0.04% |
Water |
4.5%-5.5% |
5.10% |
Residue on Ignition |
Not more than 0.1% |
0.01% |
Heavy Metals |
Limit is 5μg per g |
Less than 5μg per g |
Protein and light-absorbing impurities |
The absorbance divided by the path length in centimeters is not more than 0.25 |
The absorbance divided by the path length in centimeters was not more than 0.25 |
Company: |
Zhengzhou Natural Chemical Co., Ltd. |
Contact: |
Fiona zeng ; Susan zhu; Jane zhu;Martin chu |
Phone: |
+86-371-60193627 |
Mobile phone: |
*********** |
Fax: |
+86-371-60193628 |
E-mail: |
Contact Supplier |
Website:
|
http://www.zznccl.net |
Address: |
No.37 Yard, Huaihe East Road, Erqi District, Zhengzhou, Henan, China (Mainland) |
Zip Code: |
450000 |