China Polyvinyl Pyrrolidone K17 Homopolymer Powder, Find details about China Pvp, Povidone from Polyvinyl Pyrrolidone K17 Homopolymer Powder
Product | Povidone K15 | Povidone K17 | Povidone K25 | Povidone K30 | Povidone K60 | Povidone K90 | ||||||
Appearance | White or yellowish-white,hygroscopic powder or flakes | |||||||||||
Solubility | Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone. | |||||||||||
Appearance of Solution | Clearly and not moren intensely coloured than reference solution B6,BY6or R6 | |||||||||||
Identifications | Meet ID Tests | |||||||||||
pH Value(5% in aqueous solution) | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 4.0-7.0 | 4.0-7.0 | ||||||
Viscosity(Expressed as K Value) | 12.75-17.25 | 15.3-18.36 | 22.5-27.0 | 27.0-32.4 | 54.0-64.8 | 81.0-97.2 | ||||||
Adehydes(Expressed as Acetaldehyde) | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | ||||||
Peroxides(Expressed as H2O2) | 400ppm max. | 400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | ||||||
Formic Acid | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | ||||||
Hydrazine | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | ||||||
N-Vinylpyrrolidone(Impurity A) | USP26 | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | |||||
Current USP/EP/BP | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | ||||||
2-Pyrrolidone(Impurity B) | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | ||||||
Heavy Metals(as Pb) | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | ||||||
Water | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | ||||||
Sulphated Ash | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | ||||||
Nitrogen Content | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% |
Products | K Value | pH Value (5% in water) | Residue NVP | Sulphated Ash | Water | Solid Content |
PVP K15 | 13-18 | 3.0-7.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K17 | 15-19 | 3.0-7.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K25 | 23-28 | 3.0-7.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K30 | 27-35 | 3.0-7.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K60 | 55-65 | 5.0-9.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K85 | 78-90 | 5.0-9.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K90 | 81-100 | 5.0-9.0 | 0.05% max. | 0.1% max. | 5.0% max. | 95-100% |
PVP K30L | 27-35 | 3.0-7.0 | 0.05% max. | 0.1% max. | 69-71% | 29-31% |
PVP K85L | 78-90 | 5.0-9.0 | 0.05% max. | 0.1% max. | 79-81% | 19-21% |
PVP K90L | 81-100 | 5.0-9.0 | 0.05% max. | 0.1% max. | 79-81% | 19-21% |