反应条件
calculated amts. of NaF added with care; heating of mixture to 250°C (melting); cooling down; reducing to small peaces; soluting in a small amts. of water; neutralisation with NaOH; evapn. in vac. over H2SO4 absolutely; residue extracted by hot methanol; evapg. by warm air stream; recrystd. from a little amts. of methanol;
参考文献
Gmelin Handbook: Na: SVol.3, 3.3.4, page 1186 - 1188
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E. I. Du Pont de Nemours & Co.
Patent: US2312413 , 1943 ;
C.A., 1943 , p. 4864
