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1
3
/K-10, K-10 montmorillonite (3 g) was
added to BiCl (0.946 g, 3 mmol) dissolved in an excess of
3
acetonitrile and the resulting slurry was vigorously stirred
for 6 h. The solvent was evaporated at 30–40 °C under
reduced pressure in a rotary evaporator and dried/
activated in a vacuum oven at 110 °C for 19 h.
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