morpholine
A colorless organic liquid (Na . (CH 2
) 2 . O . (CH 2 )
2 ), which boils at 128° C.,
and has a characteristic ammonialike and slightly
fishy odor. It has been proposed as a vapor-phase
deacidifying agent, mainly because it is
inexpensive, easily used, and deacidifies rapidly
in suitable chambers. Its main disadvantage, other
than its highly disagreeable odor, is the tendency
of the treated paper to revert to an acid
condition in the presence of high relative
humidity.
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