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6Â¥: Originally posted by liwentao2010 at 2015-01-04 08:40:48
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50.0 g of analytical grade of Fe(NO3)39H2O was dissolved in half liter of de-ionized water in a 1 L plastic container, which was previously sterilized.The solution was hydrated for 24 h at pH 1.6 with continuous stirring with magnetic stirrer. Then 2.5 M KOH solution was added drop-wise until solution attained a pH of 12. The resulting thick suspension was aged for 5 days in a thermostatic oven at 60¡ãC. The goethite paste was then oven dried at 60¡ãC.

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50.0 g of analytical grade of Fe(NO3)39H2O was dissolved in half liter of de-ionized water in a 1 L plastic con ...

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