The potentiometric titration curves of carboxymethylcellulose, which has a relatively stiff backbone, and also of poly(D-glutamic acid) in the helical region are compared with the theoretical curves calculated assuming that the polyions are rods and have smeared charges on their surfaces. For carbox
Potentiometric Titration of 2-Thiouracils
β Scribed by Witold Ciesielski; Robert Zakrzewski
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 25 KB
- Volume
- 331
- Category
- Article
- ISSN
- 0365-6233
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In this work, thermal solution imidization kinetics of two high performance polyimides, prepared from the polycondensation of pyromellitic dianhydride (PMDA) and 3,3 ,4,4-benzophenonetetracarboxylic dianhydride (BTDA) with 4,4 -bis(3aminophenoxy)diphenylsulfone (DAPDS) were investigated using nonaqu