Conductivity studies of poly (vinyl alcohol)-iodine complex membrane
β Scribed by Prafulla Chetri; Narendra Nath Dass; Neelotpal Sen Sarma
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 253 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0170-0839
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π SIMILAR VOLUMES
The extent of colour development in an aqueous poly(vinyl alcohol) (PVA)Γiodine complex solution increased with increasing syndiotacticity up to a certain syndiotactic content, then decreased with increasing syndiotacticity. The complex formation depended on the content of the syndiotactic pentad se
## Abstract The desorption behavior of iodine in syndiotactic poly(vinyl alcohol) (__s__βPVA) with a syndiotactic diad content of 63.1% iodine film in water was investigated in relation to the solubility of __s__βPVA in water. Despite a low numberβaverage degree of polymerization of 900, the degree
The effect of the dissolved state of poly(vinyl alcohol) (PVA) molecules in water on the color development due to PVA-iodine complexes was investigated at each given PVA and iodine concentration using two kinds of syndiotactic-rich PVA (S-PVA) which are unstable in water because of the formation of