Customization: | Available |
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Powder: | Yes |
Customized: | Customized |
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Item |
Standard |
Test Result |
Characteristic |
Pure white crystalline powder, slightly hygroscopic |
Conforms |
Solubility |
Sparingly soluble in water, freely soluble in |
Comforms |
practically insoluble in ether |
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|
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Identify |
(A) IR-Spectrum |
(A)conforms |
(B) Reaction of sodium salt |
(B)Positive |
|
PH |
6.5~7.5 |
7.13 |
Appearance of solution |
Clear |
Conforms |
Absorption of sodium salt≤0.05 |
0.015 |
|
Related substances |
Single impurity ≤0.2% |
Conforms |
Total impurity ≤0.5% |
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Heavy metal |
≤10ppm |
Conforms |