| ≥1 piece |
|
ITEMS
|
SPECIFICATIONS
|
RESULT
|
|
Characteristics
|
White or almost White crystals Crystalline Powder
|
Complies
|
|
Identification
|
Positive Reaction
|
Positive
|
|
Melting Point
|
About 190°C
|
191.1°C
|
|
pH
|
2.1~2.6
|
2.50
|
|
Clarity Of Solution
|
Clear
|
Clear
|
|
Colour of Solution
|
≤BY7
|
|
|
Loss on drying
|
≤0.4%
|
0.12%
|
|
Arsenic
|
≤3ppm
|
<3ppm
|
|
Lead
|
≤2ppm
|
<2ppm
|
|
Copper
|
≤5ppm
|
<5ppm
|
|
Heavy Metals
|
≤10ppm
|
<10ppm
|
|
Iron
|
≤2ppm
|
<2ppm
|
|
Mercury
|
≤0.1ppm
|
<0.1ppm
|
|
Oxalic Acid
|
≤0.2%
|
<0.2%
|
|
Sulphate Ash(Residue On Ignition)
|
≤0.1%
|
<0.1%
|
|
Specific Optical Rotation
|
+20.5°~+21.5°
|
+20.85°
|
|
organic Volatile Impurities
|
Pass
|
Pass
|
|
Assay
|
99.0% ~100.5%
|
99.56%
|
|
Conclusion: The products have been passed the analysis according to BP2008/USP31/E300/FCCV
|
||