(ii) Bright gold plating
solutions have been used in costume jewellery since the 1960s to achieve an
initial sparkling finish, without too much extra polishing or ‘buffing’ which
might damage a thin gold deposit. See Electroplating.
Bright Gold
(i) Liquid ‘bright gold’
was developed in the 1830s for the decoration of ceramics and glass. When fired
it produces a thin bright polished gold film on the substrate. See Liquid
Gold.