| ≥1 piece |
Molecular Formular: C 6 H 13 N 3 O 3
Molecular Weight: 175.19
Packing: 25kgs/drum net
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Test item
|
Limit
|
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Specific rotation
|
+24.5 to +26.8 °
|
|
State of solution
(transmittance)
|
Clear and colorless
Not less than 98.0%
|
|
Chloride
|
Not more than 0.020%
|
|
Ammonium
|
Not more than 0.02%
|
|
Sulfate
|
Not more than 0.020%
|
|
Iron
|
Not more than 10ppm
|
|
Heavy metals(Pb)
|
Not more than 10ppm
|
|
Arsenic
|
Not more than 1ppm
|
|
Loss on drying
|
Not more than 0.30%
|
|
Residue on ignition
(sulfated)
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Not more than 0.10%
|
|
Assay
|
98.5 to 101.0%
|
|
PH
|
5.0 to 7.0
|