ascorbic acid
synonym: vitamin c
formula: c6 h 8 o 6
grade: ep/bp 2002/usp26/dab
specifications:
| characteristics |
white crystal crystalline powder |
identification |
positive |
|
clear |
|
by 7 max |
melting point( °C ) |
191 - 192 |
assay (%) |
99.0 - 100.5 |
acidity (ph) |
2.2 - 2.5 |
residue on ignition (%) |
0.1max |
|
+20.5 - +21.5 |
heavy metals (%) |
0.0003max |
oxalic acid (%) |
0.2max |
copper (%) |
0.0005max |
iron (%) |
0.0002max |
organic volatile impurities |
meets usp26 stipulation |
packing: 25kgs cartons with inner liner, 20mt/20'fcl | 
