C12H16O7
|
ITEM |
STANDARD |
|
Appearance |
White or pale-white crystalline powder |
|
Identification |
The retention time of the major peak of the sample solution corresponds to that of the standard solution. |
|
Heavy metal |
＜10ppm |
|
Loss on drying |
＜0.5% |
|
Residue on ignition |
＜0.1% |
|
PH |
5.0-7.0 |
|
Melting range |
203~206℃ |
|
Specific optical rotation |
【α】D20 =+176~184º |
|
Hydroquinone |
≤10 ppm |
|
Total Plate Count |
<1000 cfu/g |
|
<100 cfu/g |
|
|
E.Coli |
Negative |
|
Salmonella |
Negative |
|
Assay(HPLC) |
≥99.0% |
Yes, we'd like to provide sample for you. For those normal products, you just need to bear the freight; for those high value products, you need to bear the freight and a little product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
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Sales subsidiary in Wuhan:
Wuhan Ability chemical technology Co., Ltd.
Add：No 518 Qingnian Rd., Jianghan, Wuhan, Hubei Province, 430024, China.
Tel:0086-27-85788889
E-mail: sales@lthxy.com
Plant 1:
Luotian Xinpusheng pharmaceutical Co., Ltd.
Add: No.152,Dabie Mountain Road,Luotian Economic Development Zone,Luotian County, Hubei Province,438600, P.R.China.
Tel: 0086-713-5895199
E-mail: www@lthxy.com
Plant 2:
Huanggang Eyes Pharmaceutical Co., Ltd.
Add: No.2,Yingling 2nd Road,Huangzhou Railway Station Economic Development Zone,HuanggangCity,Hubei Province,438011,P.R.China
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