A technical dictionary of
printmaking, André Béguin.
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"Printmaking dictionary"
Alkalis or Alkalies
(bases)
A class of corrosive
substances used as cleaning agents. Among the alkalis used
in printmaking may be mentioned soda
and
potash,
which are
generally used for scouring. [*attacking
agents,
scouring].
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"Printmaking dictionary"
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