Veterinary medicine vitamin c soluble powder for pig poultry
Feed Grade:
|
Item |
Standard(GB/T7303-2006) |
Test Result |
|
Characteristic |
White or Almost White Crystalline powder |
Pass |
|
Identification |
Positive reaction |
Positive |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Sulphated Ash(Residue on ignition) |
≤0.1% |
0.03% |
|
PH |
2.1~2.6 |
2.4 |
|
Melting Point |
189~192oC |
191oC |
|
Specific Optical Rotation |
+20.5o ~+21.5o |
+20.9o |
|
Arsenic |
≤3ppm |
<3ppm |
|
Assay |
99.0%~101.0% |
99.9% |
