| Customization: | Available |
|---|---|
| CAS No.: | 55589-62-3 |
| Formula: | C4h4kno4s |
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Test Result
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Serial Number
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Test Item
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Standard
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Result
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1
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Solubility in water
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Freely soluble
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Freely soluble
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2
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Solubility in ethanol
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Slightly soluble
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Slightly soluble
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3
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Ultraviolet absorption
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227+2nm
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227nm
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4
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Test for potassium
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Positive
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Positive
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5
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Precipitation test
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Yellow precipitation
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Yellow precipitation
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6
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Assay(Titration method)
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99.0-101.0%
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99.56
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7
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PH
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6.5~7.5
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6.8
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8
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Loss on drying(105ºC,2h
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) ≤1%(105ºC,2h)
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0.24%
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9
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Organic impurities(HPLC)
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≤20mg/kg
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<20mg/kg
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10
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Impurity A*
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≤0.125%
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<0.125%
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11
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Impurity B* *
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≤20mg/kg
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<20mg/kg
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12
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Fluoride
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≤3mg/kg
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1.3mg/kg
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13
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Heavy Metals
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≤5mg/kg
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3mg/kg
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14
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Lead
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≤1mg/kg
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0.2mg/kg
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15
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Arsenic
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≤3mg/kg
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1.4mg/kg
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16
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Selenium
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≤30mg/kg
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2mg/kg
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17
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Hg
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≤0.03mg/kg
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0.01mg/kg
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18
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Sulfate
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≤0.1%
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0.1%
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19
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NDCadmium
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ND
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20
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Chrome
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ND
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20
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Nickel
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ND
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Conclusion: The above product conforms to the standard.
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