| Customization: | Available |
|---|---|
| CAS No.: | 134-03-2 |
| Formula: | C6h7nao6 |
|
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ITEMS |
SPECIFICATION |
RESULT |
|
Characteristics |
White or almost white crystals crystalline powder |
Complies |
|
Identification |
Positive reaction |
Positive |
|
Melting Point |
About 190°C |
190.1°C |
|
pH |
2.1~2.6 |
2.59 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
<BY7 |
|
Loss On Drying |
0.4% Max |
0.17% |
|
Arsenic |
≤3ppm |
<3ppm |
|
Lead |
≤2ppm |
<2ppm |
|
Copper |
≤5ppm |
<5ppm |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Iron |
≤2ppm |
<2ppm |
|
Mercury |
≤1ppm |
<1ppm |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
Sulphate Ash (Residue On Ignition) |
≤0.1% |
<0.1% |
|
Specific Optical Rotation |
+20.5°~+21.5° |
+20.75° |
|
Organic Volatile Impurities |
Pass |
Pass |
|
Assay |
99.0%~100.5% |
99.65% |
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