|
Item
|
Standard
|
|
Structural data confirmation
|
1.H-NMR: The data of structure are identical with reference standard
|
|
2.HPLC/GC-MS: Ensure the molecular weight of main peak and fragment peak are identical with reference standard
|
|
3.IR: The data of IR are identical with reference standard
|
|
Loss on drying
|
¡Ü0.5%
|
|
Residue on ignition
|
¡Ü0.2%
|
|
Heavy metals
|
¡Ü10 ppm
|
|
Water
|
¡Ü1.0%
|
|
Inorganic salt
|
¡Ü0.1%
|
|
Related impurities
|
Specific single impurity
|
Meets Food additive grade
|
|
Non-specific single impurity
|
¡Ü0.10%
|
|
Total Impurities
|
¡Ü0.50%
|
|
Assay
|
¡Ý99.0%
|
|
Conclusion
|
Meets Food additive grade standard
|
