Studies in gelation of product obtained in the metathesis of sodium silicate with chlorides of iron or chromium
β Scribed by Yadava, Kanhaiya Lal ;Ghosh, Sateyshwar
- Publisher
- Springer-Verlag
- Year
- 1957
- Weight
- 274 KB
- Volume
- 154
- Category
- Article
- ISSN
- 0368-6590
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The effect of gamma irradiation on the behaviour of iron in a sodium silicate glass system [40 mol% SiO?, 60 mol% NazO and l-6 mol% FezOil was investigated by Mossbauer effect (ME) and electron spin resonance (ESR) techniques. The changes in the quadrupole splitting (QS). line width of the ME spectr
## Abstract magnified image Highly effective coupling of imidazoles with (__E__)βvinyl halides can be achieved by using readily available iron catalysts under ligandβfree, copperβfree and palladiumβfree conditions. Coupling of (__E__)βvinyl bromides led to (__Z__)βproducts predominantly, while the