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97%  FeCl3.6H2O       94g
99 % FeCl2.4H2O       34.4g
Potassium oleate        100g
28% NH4OH              100ml
Hitenol-BC                 100g
>98% (NH4)2S2O8       5g
A vigorously stirred three-necked flask
Nitrogen
80¡æ
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1. 94 g FeCl3 . 6H2O and 34.4 g FeCl2 . 4H2O in 100 g of water£¬stirred at 80¡æ £¬nitrogen sparging for 30 min
2. 100 g of potassium oleate£¬stirred at 80¡æ £¬nitrogen sparging for 30 min
3. 100 ml 28% NH4OH £¬stirred at 80¡æ £¬nitrogen sparging for 30 min
4. 100 g of Hitenol-BC £¬5 g (NH4)2S2O8 £¬ stirred at 80¡æ £¬nitrogen sparging for 30 min
5. cooled to room temperature £¬left in the oven at 80¡æ overnight, residual ammonium hydroxide evaporated
6. dialyzed  against distilled water £¬mild stirring for 2 days
7. the  dialyzed  solution  was  kept  in  the  oven overnight at 80¡æ after which its solid contents were measured

[ Last edited by ruisangliu on 2008-7-8 at 11:41 ]
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