Desiccants lithium aluminium

Hydrogenation a) sodium borohydride 10% in absolute ethanol b) sodium borohydride 5% in absolute ethanol 3 drops acetyl chloride after drying c) lithium aluminium hydtide 10% in absolute ether d) Hg colloidal 1% palladium solution (Firm 123 a) dried and impregnated with imdecane in capillary 2— 3 h at 20° C at start point a few min at 20° C at start point a few min at 20° C at start point 60 min hydrogenation (desiccator filled with Ha)... 

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