Certification of Analysis
|
Product Name |
4,4'-DIHYDROXYBENZOPHENONE |
|
CAS No |
611-99-4 |
|
Catalog No |
SC-05725 |
|
Quantity |
2kg |
|
Batch No |
20131028 |
|
Product Date |
2013.10.28 |
|
Date of analysis |
2013.10.28 |
|
Items of analysis |
Specification |
Results |
|
Appearance |
White crystalline powder |
White crystalline powder |
|
Melting point |
218-220°C |
218.6-219.4°C |
|
Loss on drying |
≤0.5% |
0.29% |
|
Assay |
≥99.5% |
99.75% |
|
Remark |
Declaration: For laboratory use by technically qualified individual only |
|
|
Conclusion |
It accords with the Enterprise Standard |
|
Analyst: Jack Fu Check: Anne Zhang Date: 2013-10-28
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