Hydrolysis Reaction of Aluminium Sulphate Solutions and Effect of Addition of Aluminium Sulphate on Hydrolysis Reaction of Ferric Sulphate Solutions at Elevated Temperatures. Hydrometallurgical studies on hydrolysis reaction of ferric sulphate solutions at elevated temperatures. (5th Report).
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چکیده
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Redox Reaction in Aqueous Solutions at Elevated Temperatures: 1. Reduction Potential and Hydrolysis Equilibria of Ce + in HCIO4 Solutions
The redox potential (E) of the couple Ce 4 + /Ce 3 + has been determined up to 368 K by means of cyclic voltammetric measurement in aqueous H C 1 0 4 solutions with cHC104 decreasing from 7.45 to 0.023 mol kg" 1 . A constant potential of (1.741 V)2 9 8 K , resp. (1.836 V) 3 6 8 K , indicating the existence of pure unhydrolysed Ce 4 + was obtained at c H c l 0 4 > 6.05 m. At lower HC10 4 concent...
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تعداد 20 رأس میش نژاد نائینی 6+-24 ماهه، با میانگین وزن 2/3-+40 کیلوگرم، همراه با 20 رأس بره های آنها در قالب طرح کاملا تصادفی اثر بتائین و مکمل سولفات بر خصوصیات شیر و پشم و عملکرد بره ها بررسی شد. میش ها بطور تصادفی در چهار تیمار قرار گرفتند. تیمارها عبارت بودند از: 1-گروه شاهد 2-بتائین (05/0 درصد ماده خشک) 3-سولفات (24/0 سولفور درصد ماده خشک 4-بتائین هرماه با سولفات. جیره غذائی طبق nrc با مح...
15 صفحه اولthe effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms
چکیده ندارد.
15 صفحه اولTrihalomethane hydrolysis in drinking water at elevated temperatures.
Hydrolysis could contribute to the loss of trihalomethanes (THMs) in the drinking water at elevated temperatures. This study was aimed at investigating THM hydrolysis pertaining to the storage of hot boiled water in enclosed containers. The water pH value was in the range of 6.1-8.2 and the water temperature was varied from 65 to 95 °C. The effects of halide ions, natural organic matter, and dr...
متن کاملPrecipitation of reactive aluminium hydroxide from an acidic aluminium sulphate solution by addition of sodium hydroxide
The goal of the present thesis was to study the possibilities of producing an aluminium hydroxide, which would easily dissolve in hydrochloric acid. Furthermore, the product should be easy to dewater. In the experiments, which were made batch-wise, a 50% sodium hydroxide was used to accomplish the precipitation. The precipitation of aluminium hydroxide is a dynamic process that depends on many ...
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ژورنال
عنوان ژورنال: Shigen-to-Sozai
سال: 1999
ISSN: 0916-1740,1880-6244
DOI: 10.2473/shigentosozai.115.763