|
|
Introduced |
 |
|
|
|
|
|
|
|
Description |
 |
|
|
| |
Item Spec Results
Appearance white crystalline powder Comply
Assay ≥99.5% 100.5%
Melting point(C) 199 ~ 202(~0.5) 199-201
Clarity of water solution Transparency , colorless, none suspended matters Comply
PH value of 1%aqueous solution 5.0~7.0 5.75
Heavy metal <10ppm Comply
Specific optical rotation -68~ -64 -67.2
Infrared signature peak 1515cm-1 1220cm-1 1050~(5~8)cm-1 Comply
Arsenic ≤2 ppm Comply
Loss on drying ≤0.5% Comply
Ignition residue ≤0.5% Comply
Hydroquinone ≤10ppm 0.91
Pathogen Bacteria count≤300CPUFungus≤100CPU <20 CPU<20 CPU |
|
|
|
|
Contact Us |
 |
|
|
| |
Company Name: |
|
|
Ningbo Free Trade Zone York Industry & Trading Co., Ltd. |
| |
Company Address: |
|
|
Room 1005, Chongguang Bldg., 796 Baizhang East Road, Ningbo, Zhejiang, China |
| |
Telephone: |
|
|
86-574-87852495 |
| |
Full Name (Department): |
|
|
Robinson Yu (Sales Department) |
|
|
|
|
|