Preparation and decomposition of ammoniojarosite at elevated temperatures in H2O(NH4)2SO4H2SO4 media
✍ Scribed by G.K. Das; S. Anand; S. Acharya; R.P. Das
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 819 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0304-386X
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📜 SIMILAR VOLUMES
## EXPERIMENTAL The IR and Raman spectra of a single crystal The crystals were prepared by the slow evaporation of NH 4 Sm(SO 4 ) 2 ؒ 4H 2 O and that of two polycrystalline compounds NH 4 Ln(SO 4 ) 2 ؒ 2H 2 O [Ln ؍ Yb, Tm] have been recorded and an aqueous solution containing lanthanide sulfate
Well-defined dendritic deposits of Cr were obtained galvanostatically from CrOaH,SO4 aqueous solutions containing dimethylsulphoxide (DMSO) . The dendrite growth was influenced by cd, temperature and DMSO concentration . It was found that at 1 . 5, 3 . 0 and 10 A/cm 2 , the optimum operating condit