No	Items	Unit	Standard Specs.	Testing Results
1	Content (asdry product C7H5NaO2)	%	99．0-100.5	99.51
2	Loss on drying	%	≤2.0	1.38
3	Acidity of  Alkalinity	-	≤0.2ml	<0.2ml(on the principle of 0.1mol/l NaOH)
4	Heavy Metal (pb)	%	≤0.001	0.001
5	Halogenide(Fecl3)	%	≤0.02	0.02
6	Appearance	-	Free flowing white powder	Passed
7	Total Chlorine	%	≤0.03	0.03
8	Clarity of Solution		Clear & Colourless	Passed
9	Conclusion		Qualified