| http://www.w3.org/ns/prov#value | - Examples of alcohols having 5 or less carbon atoms include methanol, ethanol, propanol, butanol, ethyleneglycol and methylcarbitol. [0022] The solutions of magnesium compounds thus obtained are reacted with transition metal compounds such as titanium compounds, silicon compounds, tin compounds or mixtures thereof and then crystallizes into a globular solid material (step (ii)).
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