## Abstract Surface chemical analysis of two commercially available polyurethanes, i.e., Avcothane and Biomer was carried out by electron spectroscopy for chemical analysis (ESCA). The depth which is subject to analysis is in the range of 50β100 Γ . The variables studied in this study are the differ
β¦ LIBER β¦
Studies on surface composition and chemical states of calcium manganites
β Scribed by Sanjiv Kumar; V.S. Raju; Santanu Bera; K. Vijaynandhini; T.R.N. Kutty
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 170 KB
- Volume
- 237
- Category
- Article
- ISSN
- 0168-583X
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## Abstract The O 1s line of an ordinary, untreated glass surface and of a glass surface in its dealkalized state were studied by XPS. One single O 1s peak was detected on the dealkalized sample at a binding energy (BE) of 532.5 eV while on the alkaliβcontaining sample, and also on the dealkalized