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Povidone iodine(Povidone-I)
Product name: PVP-I(PVP-Iodine/Povidone-I)
Chemical Name: Complex of PVP with iodine
CTFA Nomenclature:  PVP-Iodine
CAS No.:  *********8
Molecular formula:  (C6H9NO)n·xl
Physical Properties: exists as yellow-brown or red-brown formless powder having slightly special smell.It can dissolve in water and alcohol,not in diethylethe or choroform.It is stable complex with no irritation which can sterilize bacterial,virus,fungus effectively.It is the first-selected iodine-containing microbicide.
Specification:
Loss on drying:≤8.0%
Residue on ignition:≤0.1%
Heavy metal: ≤*0PPM
Arsenic: ≤1.5PPM
 Nitrogen:≤9.***1.5%
 Iodine ion:≤6.6%
 Available iodine: 9.***2.0%
 PH(*0% in water):1.**5.0 
 Application:
.Bactericide,virucide,fungicide or local anticeptic in surgical serubs or  
  for  other rapcutical purposes and protect patient from infection.
.microbicide for kitchen utensils in family.
.microbicide for food and feed industry.
.microbicide and disease-protector for animal.
.PVP-I was accepted into USP*6 & USP*8 editor and selected firstly as iodine-containing bactericide and disease-protector in the developed countries.
 
Povidone Iodine Solution
Physical property:Red brown liqiud
Application:
Povidone-iodine (PI, Betadine) is routinely used as a preoperative topical antiseptic in cataract surgery as it has been shown to reduce the incidence of postoperative endophthalmitis. However, the concentration used clinically is variable. In vitro studies have shown that PI is paradoxically more effective at lower concentration. This study was undertaken to determine if this effect was reproducible in vivo.
Methods:
Aprospective randomised double blind study was carried out in the ophthalmic theatre in a district general hospital. **5 patients attending for routine cataract surgery were randomly allocated to have their conjunctival fornices irrigated preoperatively with either PI 1% (group A) or PI 5% (group B). Conjunctival swabs were taken, in identical fashion, both before and 1 minute after irrigation. The number and species of bacterial colonies cultured from each swab was counted. The difference in the median number of bacterial colonies from pre-irrigation to post-irrigation cultures was then compared between the groups.

Packing: in *5kg coloured drum, or ***0ml bottle and in cartons. 
                 **0ml/Bottle *0%; **0ml/Bottle 5%
Packaging and storage: Preserve in tight, light-resistant containers.
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