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1 Metric Ton |
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PVP K30 PVP K15 PVP K60
Product
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Povidone K15
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Povidone K17
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Povidone K25
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Povidone K30
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Povidone K60
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Povidone K90
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|
Appearance
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White or yellowish-white,hygroscopic powder or flakes
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Solubility
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Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone.
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Appearance of Solution
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Clearly and not moren intensely coloured than reference solution B6,BY6 or R6
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Identifications
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Meet ID Tests
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pH Value(5% in aqueous solution)
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3.0-5.0
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3.0-5.0
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3.0-5.0
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3.0-5.0
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4.0-7.0
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4.0-7.0
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Viscosity(Expressed as K Value)
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12.75-17.25
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15.3-18.36
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22.5-27.0
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27.0-32.4
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54.0-64.8
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81.0-97.2
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Adehydes(Expressed as Acetaldehyde)
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500 ppm max.
|
500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | |
Peroxides(Expressed as H2O2)
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400ppm max.
|
400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | |
Formic Acid
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0.5% max.
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0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | |
Hydrazine
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1ppm max.
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1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | |
N-Vinylpyrrolidone(Impurity A)
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USP26
|
1000 ppm max.
|
1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. |
Current USP/EP/BP
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10 ppm max.
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10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | |
2-Pyrrolidone(Impurity B)
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3.0% max.
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3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | |
Heavy Metals(as Pb)
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10 ppm max.
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10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | |
Water
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5.0% max.
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5.0% max.
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5.0% max.
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5.0% max.
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5.0% max.
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5.0% max.
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Sulphated Ash
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0.1% max.
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0.1% max.
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0.1% max.
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0.1% max.
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0.1% max.
|
0.1% max.
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Nitrogen Content
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11.5-12.8%
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11.5-12.8%
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11.5-12.8%
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11.5-12.8%
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11.5-12.8%
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11.5-12.8%
|
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