2,2'-DIAMINODIPHENYL DISULFIDE_CERTIFICATE OF ANALYSIS_DOCUMENTS & REFERENCE_Labseeker-Find chemicals, pharmaceuticals for your lab.

Certification of Analysis

Items of analysis	Specification	Results
Appearance	Yellow-green powder	Yellow-green powder
Melting point	90-93°C	Conforms
Loss on drying	≤0.5%	Conforms
Every other impurity	≤0.5%	Conforms
Total impurities	≤1.0%	Conforms
Assay	99.0%min	99.2%
Remark	Declaration: For laboratory use by technically qualified individual only
Conclusion	It accords with the Enterprise Standard

Analyst: Jack Fu Check: Anne Zhang Date: 2013-07-06