HANGZHOU CLAKE BIOTECH CO.,LTD
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Country: 
China (Mainland)
Business Type:Trading Company
Tel: 86-571-87750367
Mobile: 86-18268089214
Tel: 86-571-87750367
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RUIBO INTERNATIONAL ,HANGZHOU ,CHINA
MaxCard:
CAS NO.7487-88-9
1. USP grade
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
|
INSPECTION ITEM |
QUALITY STANDARD |
RESULT |
|
Appearance |
Crystalline powder |
Complies |
|
Odor |
Odorless |
Complies |
|
Assay |
99.0% ~ 100.5% |
99.27% |
|
Magnesium |
≥19.80% |
19.97 |
|
Identification Tests |
A) Gives reaction of sulfate B) Gives reaction of Magnesium |
A) Complies B) Complies |
|
pH (1 in 20) |
5.0~9.2 |
9.12 |
|
Loss on drying |
≤2.0% |
＜2.0% |
|
Chloride |
≤0.014% |
＜0.014% |
|
Iron (Fe) |
≤0.002% |
＜0.002% |
|
Heavy Metals(as Pb) |
≤10ppm |
＜10ppm |
|
Selenium |
≤0.003% |
＜0.003% |
|
Water insoluble |
≤0.1% |
＜0.1% |
|
Conclusion: Quality comply with USP39 |
||