Rifadin

Batch No.: 20041001        Quantity:300kgs
Report date:2004/10/01       Manufacture date:2004/10/01
Expiry date:2007/10/01        Test standard:DB33/WS-539-84-93

Testing Items	Specification	Result
Description :	Orange yellow or orange red powder,odorless	Conform
Identification :	Take 10mg+0.1mol/L HCL5ml+0.1mol/NaNO22d change to red	Conform
	The largest absorption between 448nm and 315nm
Loss on dry :	<=12.0%	9.6%
Residue :	<= 0.3%	0.1%
PH:	4.5-7.5	5.5
Crystalline	Conform	Conform
Undue Toxicity	Conform	Conform
Heavy Metal	<= ppm	Conform
Assay	C45H63N3O12 on less than 90% based on dry 93.12%

Conclusion The results conform with DB33/WS-539-84-93 standard

Approved by: WangRuZhou          Tested by: Zhou shuhai