Description
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Material: Polyvinyl Pyrrolidone k30 |
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CAS No.: 9003-39-8 |
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ITEM |
STANDARD |
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Appearance |
White or off-whited powder |
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Odor |
Characteristic odor |
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PH (5%) |
3.0~7.0 |
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N-Vinylpyrrolidone |
≤0.1% |
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K Value |
27~33 |
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Residual monomer content |
≤0.2% |
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Loss on drying |
≤5.0% |
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Residue on ignition |
≤0.1% |
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Heavy metal (Pb) |
≤10ppm |
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Nitrogen |
11.5~12.8% |
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Aldehyde (Acetaldehyde) |
≤0.05% |
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Hydrazine |
≤1ppm |
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Peroxide |
≤400ppm |
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Conclusion: |
The above product conforms to USP. Standard. |
