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White
(Torch technique)
Last Updated: 05/07/2009
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Ingredients
1 heaping tbsp bismuth nitrate
1 heaping tbsp titanium dioxide
1 heaping tbsp stannic oxide
approx. 1 liter water
(optional: several drops of sodium silicate)
Directions
In the concentration we mix this patina, it is mostly useful only for a transparent layer on top of other patinas. In any case, it does not stick and react strongly with bare brass. If you add the sodium silicate, the patina will stick much better, and very little if any will rinse off, at least when applied over other patinas. If you do not include the sodium silicate, rinse the patinaed object well under running water and rub it with a cloth or a rubber-gloved hand to remove the excess, or it will smear badly when you seal the patina with wax. Experiment with different concentrations, keeping the main three ingredients in equal proportions.
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